20322621

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1993}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 32350656

約数和(自身を除く): 12028035

約数列:

[1, 3, 9, 11, 33, 99, 103, 309, 927, 1133, 1993, 3399, 5979, 10197, 17937, 21923, 65769, 197307, 205279, 615837, 1847511, 2258069, 6774207, 20322621]

約数ペア:

[(1, 20322621), (3, 6774207), (9, 2258069), (11, 1847511), (33, 615837), (99, 205279), (103, 197307), (309, 65769), (927, 21923), (1133, 17937), (1993, 10197), (3399, 5979)]