20035280

素因数分解:

$2^4\times 5^1\times {\mathrm{250441}}^1$

素因数の和:250454

約数の個数: 20

約数和(自身を含む): 46582212

約数和(自身を除く): 26546932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250441, 500882, 1001764, 1252205, 2003528, 2504410, 4007056, 5008820, 10017640, 20035280]

約数ペア:

[(1, 20035280), (2, 10017640), (4, 5008820), (5, 4007056), (8, 2504410), (10, 2003528), (16, 1252205), (20, 1001764), (40, 500882), (80, 250441)]