20180875959

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{20571739}}^1$

素因数の和:20571854

約数の個数: 12

約数和(自身を含む): 29417588200

約数和(自身を除く): 9236712241

約数列:

[1, 3, 9, 109, 327, 981, 20571739, 61715217, 185145651, 2242319551, 6726958653, 20180875959]

約数ペア:

[(1, 20180875959), (3, 6726958653), (9, 2242319551), (109, 185145651), (327, 61715217), (981, 20571739)]