20029221

素因数分解:

$3^3\times {\mathrm{389}}^1\times {\mathrm{1907}}^1$

素因数の和:2305

約数の個数: 16

約数和(自身を含む): 29764800

約数和(自身を除く): 9735579

約数列:

[1, 3, 9, 27, 389, 1167, 1907, 3501, 5721, 10503, 17163, 51489, 741823, 2225469, 6676407, 20029221]

約数ペア:

[(1, 20029221), (3, 6676407), (9, 2225469), (27, 741823), (389, 51489), (1167, 17163), (1907, 10503), (3501, 5721)]