20567277

素因数分解:

$3^6\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:424

約数の個数: 28

約数和(自身を含む): 31281660

約数和(自身を除く): 10714383

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 317, 729, 801, 951, 2403, 2853, 7209, 8559, 21627, 25677, 28213, 64881, 77031, 84639, 231093, 253917, 761751, 2285253, 6855759, 20567277]

約数ペア:

[(1, 20567277), (3, 6855759), (9, 2285253), (27, 761751), (81, 253917), (89, 231093), (243, 84639), (267, 77031), (317, 64881), (729, 28213), (801, 25677), (951, 21627), (2403, 8559), (2853, 7209)]