20172771355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3781213}}^1$

素因数の和:3781326

約数の個数: 16

約数和(自身を含む): 26680245984

約数和(自身を除く): 6507474629

約数列:

[1, 5, 11, 55, 97, 485, 1067, 5335, 3781213, 18906065, 41593343, 207966715, 366777661, 1833888305, 4034554271, 20172771355]

約数ペア:

[(1, 20172771355), (5, 4034554271), (11, 1833888305), (55, 366777661), (97, 207966715), (485, 41593343), (1067, 18906065), (5335, 3781213)]