20311479

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{8089}}^1$

素因数の和:8132

約数の個数: 20

約数和(自身を含む): 31324480

約数和(自身を除く): 11013001

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 8089, 24267, 72801, 218403, 250759, 655209, 752277, 2256831, 6770493, 20311479]

約数ペア:

[(1, 20311479), (3, 6770493), (9, 2256831), (27, 752277), (31, 655209), (81, 250759), (93, 218403), (279, 72801), (837, 24267), (2511, 8089)]