20959216

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2957}}^1$

素因数の和:3408

約数の個数: 20

約数和(自身を含む): 40713912

約数和(自身を除く): 19754696

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 2957, 3544, 5914, 7088, 11828, 23656, 47312, 1309951, 2619902, 5239804, 10479608, 20959216]

約数ペア:

[(1, 20959216), (2, 10479608), (4, 5239804), (8, 2619902), (16, 1309951), (443, 47312), (886, 23656), (1772, 11828), (2957, 7088), (3544, 5914)]