20822751

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{11177}}^1$

素因数の和:11212

約数の個数: 20

約数和(自身を含む): 32460912

約数和(自身を除く): 11638161

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 11177, 33531, 100593, 257071, 301779, 771213, 905337, 2313639, 6940917, 20822751]

約数ペア:

[(1, 20822751), (3, 6940917), (9, 2313639), (23, 905337), (27, 771213), (69, 301779), (81, 257071), (207, 100593), (621, 33531), (1863, 11177)]