20565862448

素因数分解:

$2^4\times {\mathrm{19889}}^1\times {\mathrm{64627}}^1$

素因数の和:84524

約数の個数: 20

約数和(自身を含む): 39848978520

約数和(自身を除く): 19283116072

約数列:

[1, 2, 4, 8, 16, 19889, 39778, 64627, 79556, 129254, 159112, 258508, 318224, 517016, 1034032, 1285366403, 2570732806, 5141465612, 10282931224, 20565862448]

約数ペア:

[(1, 20565862448), (2, 10282931224), (4, 5141465612), (8, 2570732806), (16, 1285366403), (19889, 1034032), (39778, 517016), (64627, 318224), (79556, 258508), (129254, 159112)]