20781052

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{7789}}^1$

素因数の和:7845

約数の個数: 24

約数和(自身を含む): 39261600

約数和(自身を除く): 18480548

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 667, 1334, 2668, 7789, 15578, 31156, 179147, 225881, 358294, 451762, 716588, 903524, 5195263, 10390526, 20781052]

約数ペア:

[(1, 20781052), (2, 10390526), (4, 5195263), (23, 903524), (29, 716588), (46, 451762), (58, 358294), (92, 225881), (116, 179147), (667, 31156), (1334, 15578), (2668, 7789)]