2020653025

素因数分解:

$5^2\times {\mathrm{4021}}^1\times {\mathrm{20101}}^1$

素因数の和:24132

約数の個数: 12

約数和(自身を含む): 2506357564

約数和(自身を除く): 485704539

約数列:

[1, 5, 25, 4021, 20101, 20105, 100505, 100525, 502525, 80826121, 404130605, 2020653025]

約数ペア:

[(1, 2020653025), (5, 404130605), (25, 80826121), (4021, 502525), (20101, 100525), (20105, 100505)]