20669319

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2027}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 32902272

約数和(自身を除く): 12232953

約数列:

[1, 3, 9, 11, 33, 99, 103, 309, 927, 1133, 2027, 3399, 6081, 10197, 18243, 22297, 66891, 200673, 208781, 626343, 1879029, 2296591, 6889773, 20669319]

約数ペア:

[(1, 20669319), (3, 6889773), (9, 2296591), (11, 1879029), (33, 626343), (99, 208781), (103, 200673), (309, 66891), (927, 22297), (1133, 18243), (2027, 10197), (3399, 6081)]