20198461925

素因数分解:

$5^2\times {\mathrm{827}}^1\times {\mathrm{976951}}^1$

素因数の和:977788

約数の個数: 12

約数和(自身を含む): 25076403936

約数和(自身を除く): 4877942011

約数列:

[1, 5, 25, 827, 4135, 20675, 976951, 4884755, 24423775, 807938477, 4039692385, 20198461925]

約数ペア:

[(1, 20198461925), (5, 4039692385), (25, 807938477), (827, 24423775), (4135, 4884755), (20675, 976951)]