20451188

素因数分解:

$2^2\times {\mathrm{577}}^1\times {\mathrm{8861}}^1$

素因数の和:9442

約数の個数: 12

約数和(自身を含む): 35855652

約数和(自身を除く): 15404464

約数列:

[1, 2, 4, 577, 1154, 2308, 8861, 17722, 35444, 5112797, 10225594, 20451188]

約数ペア:

[(1, 20451188), (2, 10225594), (4, 5112797), (577, 35444), (1154, 17722), (2308, 8861)]