20512316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1499}}^1$

素因数の和:1825

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 18799684

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1499, 2998, 3421, 5996, 6842, 13684, 16489, 32978, 65956, 466189, 932378, 1864756, 5128079, 10256158, 20512316]

約数ペア:

[(1, 20512316), (2, 10256158), (4, 5128079), (11, 1864756), (22, 932378), (44, 466189), (311, 65956), (622, 32978), (1244, 16489), (1499, 13684), (2998, 6842), (3421, 5996)]