20199090925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{62151049}}^1$

素因数の和:62151072

約数の個数: 12

約数和(自身を含む): 26973555700

約数和(自身を除く): 6774464775

約数列:

[1, 5, 13, 25, 65, 325, 62151049, 310755245, 807963637, 1553776225, 4039818185, 20199090925]

約数ペア:

[(1, 20199090925), (5, 4039818185), (13, 1553776225), (25, 807963637), (65, 310755245), (325, 62151049)]