20399798

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2179}}^1$

素因数の和:2363

約数の個数: 16

約数和(自身を含む): 31810560

約数和(自身を除く): 11410762

約数列:

[1, 2, 31, 62, 151, 302, 2179, 4358, 4681, 9362, 67549, 135098, 329029, 658058, 10199899, 20399798]

約数ペア:

[(1, 20399798), (2, 10199899), (31, 658058), (62, 329029), (151, 135098), (302, 67549), (2179, 9362), (4358, 4681)]