20123202020

素因数分解:

$2^2\times 5^1\times {\mathrm{1006160101}}^1$

素因数の和:1006160110

約数の個数: 12

約数和(自身を含む): 42258724284

約数和(自身を除く): 22135522264

約数列:

[1, 2, 4, 5, 10, 20, 1006160101, 2012320202, 4024640404, 5030800505, 10061601010, 20123202020]

約数ペア:

[(1, 20123202020), (2, 10061601010), (4, 5030800505), (5, 4024640404), (10, 2012320202), (20, 1006160101)]