20199290975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{27861091}}^1$

素因数の和:27861130

約数の個数: 12

約数和(自身を含む): 25910815560

約数和(自身を除く): 5711524585

約数列:

[1, 5, 25, 29, 145, 725, 27861091, 139305455, 696527275, 807971639, 4039858195, 20199290975]

約数ペア:

[(1, 20199290975), (5, 4039858195), (25, 807971639), (29, 696527275), (145, 139305455), (725, 27861091)]