20695987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2531}}^1$

素因数の和:2598

約数の個数: 16

約数和(自身を含む): 24246432

約数和(自身を除く): 3550445

約数列:

[1, 13, 17, 37, 221, 481, 629, 2531, 8177, 32903, 43027, 93647, 559351, 1217411, 1591999, 20695987]

約数ペア:

[(1, 20695987), (13, 1591999), (17, 1217411), (37, 559351), (221, 93647), (481, 43027), (629, 32903), (2531, 8177)]