20565800630

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18867707}}^1$

素因数の和:18867823

約数の個数: 16

約数和(自身を含む): 37358061840

約数和(自身を除く): 16792261210

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18867707, 37735414, 94338535, 188677070, 2056580063, 4113160126, 10282900315, 20565800630]

約数ペア:

[(1, 20565800630), (2, 10282900315), (5, 4113160126), (10, 2056580063), (109, 188677070), (218, 94338535), (545, 37735414), (1090, 18867707)]