20919788

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{7841}}^1$

素因数の和:7897

約数の個数: 24

約数和(自身を含む): 39523680

約数和(自身を除く): 18603892

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 667, 1334, 2668, 7841, 15682, 31364, 180343, 227389, 360686, 454778, 721372, 909556, 5229947, 10459894, 20919788]

約数ペア:

[(1, 20919788), (2, 10459894), (4, 5229947), (23, 909556), (29, 721372), (46, 454778), (58, 360686), (92, 227389), (116, 180343), (667, 31364), (1334, 15682), (2668, 7841)]