201120020

素因数分解:

$2^2\times 5^1\times {\mathrm{10056001}}^1$

素因数の和:10056010

約数の個数: 12

約数和(自身を含む): 422352084

約数和(自身を除く): 221232064

約数列:

[1, 2, 4, 5, 10, 20, 10056001, 20112002, 40224004, 50280005, 100560010, 201120020]

約数ペア:

[(1, 201120020), (2, 100560010), (4, 50280005), (5, 40224004), (10, 20112002), (20, 10056001)]