20700837

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 30598464

約数和(自身を除く): 9897627

約数列:

[1, 3, 9, 103, 137, 163, 309, 411, 489, 927, 1233, 1467, 14111, 16789, 22331, 42333, 50367, 66993, 126999, 151101, 200979, 2300093, 6900279, 20700837]

約数ペア:

[(1, 20700837), (3, 6900279), (9, 2300093), (103, 200979), (137, 151101), (163, 126999), (309, 66993), (411, 50367), (489, 42333), (927, 22331), (1233, 16789), (1467, 14111)]