221360180

素因数分解:

$2^2\times 5^1\times {\mathrm{11068009}}^1$

素因数の和:11068018

約数の個数: 12

約数和(自身を含む): 464856420

約数和(自身を除く): 243496240

約数列:

[1, 2, 4, 5, 10, 20, 11068009, 22136018, 44272036, 55340045, 110680090, 221360180]

約数ペア:

[(1, 221360180), (2, 110680090), (4, 55340045), (5, 44272036), (10, 22136018), (20, 11068009)]