20257796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10529}}^1$

素因数の和:10583

約数の個数: 24

約数和(自身を含む): 39213720

約数和(自身を除く): 18955924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10529, 21058, 42116, 136877, 273754, 389573, 547508, 779146, 1558292, 5064449, 10128898, 20257796]

約数ペア:

[(1, 20257796), (2, 10128898), (4, 5064449), (13, 1558292), (26, 779146), (37, 547508), (52, 389573), (74, 273754), (148, 136877), (481, 42116), (962, 21058), (1924, 10529)]