20567493

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10729}}^1$

素因数の和:10809

約数の個数: 16

約数和(自身を含む): 30902400

約数和(自身を除く): 10334907

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10729, 32187, 96561, 289683, 761759, 2285277, 6855831, 20567493]

約数ペア:

[(1, 20567493), (3, 6855831), (9, 2285277), (27, 761759), (71, 289683), (213, 96561), (639, 32187), (1917, 10729)]