20581812

素因数分解:

$2^2\times 3^2\times {\mathrm{571717}}^1$

素因数の和:571727

約数の個数: 18

約数和(自身を含む): 52026338

約数和(自身を除く): 31444526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571717, 1143434, 1715151, 2286868, 3430302, 5145453, 6860604, 10290906, 20581812]

約数ペア:

[(1, 20581812), (2, 10290906), (3, 6860604), (4, 5145453), (6, 3430302), (9, 2286868), (12, 1715151), (18, 1143434), (36, 571717)]