22028740

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2693}}^1$

素因数の和:3111

約数の個数: 24

約数和(自身を含む): 46390680

約数和(自身を除く): 24361940

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 2693, 4090, 5386, 8180, 10772, 13465, 26930, 53860, 1101437, 2202874, 4405748, 5507185, 11014370, 22028740]

約数ペア:

[(1, 22028740), (2, 11014370), (4, 5507185), (5, 4405748), (10, 2202874), (20, 1101437), (409, 53860), (818, 26930), (1636, 13465), (2045, 10772), (2693, 8180), (4090, 5386)]