20869178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1901}}^1$

素因数の和:2413

約数の個数: 16

約数和(自身を含む): 34236000

約数和(自身を除く): 13366822

約数列:

[1, 2, 11, 22, 499, 998, 1901, 3802, 5489, 10978, 20911, 41822, 948599, 1897198, 10434589, 20869178]

約数ペア:

[(1, 20869178), (2, 10434589), (11, 1897198), (22, 948599), (499, 41822), (998, 20911), (1901, 10978), (3802, 5489)]