20019251

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5801}}^1$

素因数の和:5854

約数の個数: 16

約数和(自身を含む): 25064640

約数和(自身を除く): 5045389

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 5801, 40607, 98617, 168229, 690319, 1177603, 2859893, 20019251]

約数ペア:

[(1, 20019251), (7, 2859893), (17, 1177603), (29, 690319), (119, 168229), (203, 98617), (493, 40607), (3451, 5801)]