20406352

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2879}}^1$

素因数の和:3330

約数の個数: 20

約数和(自身を含む): 39640320

約数和(自身を除く): 19233968

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 2879, 3544, 5758, 7088, 11516, 23032, 46064, 1275397, 2550794, 5101588, 10203176, 20406352]

約数ペア:

[(1, 20406352), (2, 10203176), (4, 5101588), (8, 2550794), (16, 1275397), (443, 46064), (886, 23032), (1772, 11516), (2879, 7088), (3544, 5758)]