20123090878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{2903}}^1\times {\mathrm{315083}}^1$

素因数の和:317999

約数の個数: 16

約数和(自身を含む): 32940141696

約数和(自身を除く): 12817050818

約数列:

[1, 2, 11, 22, 2903, 5806, 31933, 63866, 315083, 630166, 3465913, 6931826, 914685949, 1829371898, 10061545439, 20123090878]

約数ペア:

[(1, 20123090878), (2, 10061545439), (11, 1829371898), (22, 914685949), (2903, 6931826), (5806, 3465913), (31933, 630166), (63866, 315083)]