20176533

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2160

約数の個数: 28

約数和(自身を含む): 32593260

約数和(自身を除く): 12416727

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2129, 3159, 6387, 9477, 19161, 27677, 57483, 83031, 172449, 249093, 517347, 747279, 1552041, 2241837, 6725511, 20176533]

約数ペア:

[(1, 20176533), (3, 6725511), (9, 2241837), (13, 1552041), (27, 747279), (39, 517347), (81, 249093), (117, 172449), (243, 83031), (351, 57483), (729, 27677), (1053, 19161), (2129, 9477), (3159, 6387)]