20113972

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{11351}}^1$

素因数の和:11798

約数の個数: 12

約数和(自身を含む): 35282016

約数和(自身を除く): 15168044

約数列:

[1, 2, 4, 443, 886, 1772, 11351, 22702, 45404, 5028493, 10056986, 20113972]

約数ペア:

[(1, 20113972), (2, 10056986), (4, 5028493), (443, 45404), (886, 22702), (1772, 11351)]