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| author | Charles <sircharlesaze@gmail.com> | 2019-08-11 18:42:52 +0200 |
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| committer | Charles <sircharlesaze@gmail.com> | 2019-08-11 18:42:52 +0200 |
| commit | 7b624de8e3e3637a07364f992c1d7e4185e4a872 (patch) | |
| tree | fdb9b0c3f9185b267f9f7bfb9cb4b0e4cdd8cc16 /python/21-amicable_numbers.py | |
| download | project_euler-7b624de8e3e3637a07364f992c1d7e4185e4a872.tar.gz project_euler-7b624de8e3e3637a07364f992c1d7e4185e4a872.tar.bz2 project_euler-7b624de8e3e3637a07364f992c1d7e4185e4a872.zip | |
initial commit
Diffstat (limited to 'python/21-amicable_numbers.py')
| -rw-r--r-- | python/21-amicable_numbers.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/python/21-amicable_numbers.py b/python/21-amicable_numbers.py new file mode 100644 index 0000000..6f89986 --- /dev/null +++ b/python/21-amicable_numbers.py @@ -0,0 +1,13 @@ +from helper.numbers import proper_divisors + + +amicable_nums = [] +for a in range(1, 10_000): + if a in amicable_nums: + continue + + b = sum(proper_divisors(a)) + if a != b and sum(proper_divisors(b)) == a: + amicable_nums.extend([a, b]) + +print(sum(amicable_nums)) |