168657220

素因数分解:

$2^2\times 5^1\times {\mathrm{8432861}}^1$

素因数の和:8432870

約数の個数: 12

約数和(自身を含む): 354180204

約数和(自身を除く): 185522984

約数列:

[1, 2, 4, 5, 10, 20, 8432861, 16865722, 33731444, 42164305, 84328610, 168657220]

約数ペア:

[(1, 168657220), (2, 84328610), (4, 42164305), (5, 33731444), (10, 16865722), (20, 8432861)]