20565521878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1531}}^1\times {\mathrm{610579}}^1$

素因数の和:612123

約数の個数: 16

約数和(自身を含む): 33674708160

約数和(自身を除く): 13109186282

約数列:

[1, 2, 11, 22, 1531, 3062, 16841, 33682, 610579, 1221158, 6716369, 13432738, 934796449, 1869592898, 10282760939, 20565521878]

約数ペア:

[(1, 20565521878), (2, 10282760939), (11, 1869592898), (22, 934796449), (1531, 13432738), (3062, 6716369), (16841, 1221158), (33682, 610579)]