20437582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{2069}}^1$

素因数の和:2531

約数の個数: 16

約数和(自身を含む): 33534000

約数和(自身を除く): 13096418

約数列:

[1, 2, 11, 22, 449, 898, 2069, 4138, 4939, 9878, 22759, 45518, 928981, 1857962, 10218791, 20437582]

約数ペア:

[(1, 20437582), (2, 10218791), (11, 1857962), (22, 928981), (449, 45518), (898, 22759), (2069, 9878), (4138, 4939)]