20172986525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{27824809}}^1$

素因数の和:27824848

約数の個数: 12

約数和(自身を含む): 25877073300

約数和(自身を除く): 5704086775

約数列:

[1, 5, 25, 29, 145, 725, 27824809, 139124045, 695620225, 806919461, 4034597305, 20172986525]

約数ペア:

[(1, 20172986525), (5, 4034597305), (25, 806919461), (29, 695620225), (145, 139124045), (725, 27824809)]