20964502555

素因数分解:

$5^1\times {\mathrm{401}}^1\times {\mathrm{739}}^1\times {\mathrm{14149}}^1$

素因数の和:15294

約数の個数: 16

約数和(自身を含む): 25256052000

約数和(自身を除く): 4291549445

約数列:

[1, 5, 401, 739, 2005, 3695, 14149, 70745, 296339, 1481695, 5673749, 10456111, 28368745, 52280555, 4192900511, 20964502555]

約数ペア:

[(1, 20964502555), (5, 4192900511), (401, 52280555), (739, 28368745), (2005, 10456111), (3695, 5673749), (14149, 1481695), (70745, 296339)]