20872976

素因数分解:

$2^4\times {\mathrm{701}}^1\times {\mathrm{1861}}^1$

素因数の和:2570

約数の個数: 20

約数和(自身を含む): 40520844

約数和(自身を除く): 19647868

約数列:

[1, 2, 4, 8, 16, 701, 1402, 1861, 2804, 3722, 5608, 7444, 11216, 14888, 29776, 1304561, 2609122, 5218244, 10436488, 20872976]

約数ペア:

[(1, 20872976), (2, 10436488), (4, 5218244), (8, 2609122), (16, 1304561), (701, 29776), (1402, 14888), (1861, 11216), (2804, 7444), (3722, 5608)]