20435571

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6469}}^1$

素因数の和:6497

約数の個数: 24

約数和(自身を含む): 32971120

約数和(自身を除く): 12535549

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6469, 19407, 58221, 84097, 174663, 252291, 523989, 756873, 1571967, 2270619, 6811857, 20435571]

約数ペア:

[(1, 20435571), (3, 6811857), (9, 2270619), (13, 1571967), (27, 756873), (39, 523989), (81, 252291), (117, 174663), (243, 84097), (351, 58221), (1053, 19407), (3159, 6469)]