20207681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 22438080

約数和(自身を除く): 2230399

約数列:

[1, 13, 53, 139, 211, 689, 1807, 2743, 7367, 11183, 29329, 95771, 145379, 381277, 1554437, 20207681]

約数ペア:

[(1, 20207681), (13, 1554437), (53, 381277), (139, 145379), (211, 95771), (689, 29329), (1807, 11183), (2743, 7367)]