20565873

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4673}}^1$

素因数の和:4845

約数の個数: 16

約数和(自身を含む): 30661440

約数和(自身を除く): 10095567

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 4673, 14019, 42057, 126171, 761699, 2285097, 6855291, 20565873]

約数ペア:

[(1, 20565873), (3, 6855291), (9, 2285097), (27, 761699), (163, 126171), (489, 42057), (1467, 14019), (4401, 4673)]