20909110

素因数分解:

$2^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2719}}^1$

素因数の和:3495

約数の個数: 16

約数和(自身を含む): 37699200

約数和(自身を除く): 16790090

約数列:

[1, 2, 5, 10, 769, 1538, 2719, 3845, 5438, 7690, 13595, 27190, 2090911, 4181822, 10454555, 20909110]

約数ペア:

[(1, 20909110), (2, 10454555), (5, 4181822), (10, 2090911), (769, 27190), (1538, 13595), (2719, 7690), (3845, 5438)]