20980069

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{4229}}^1$

素因数の和:4292

約数の個数: 12

約数和(自身を含む): 23628780

約数和(自身を除く): 2648711

約数列:

[1, 11, 41, 121, 451, 4229, 4961, 46519, 173389, 511709, 1907279, 20980069]

約数ペア:

[(1, 20980069), (11, 1907279), (41, 511709), (121, 173389), (451, 46519), (4229, 4961)]