20015343

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{2267}}^1$

素因数の和:2388

約数の個数: 20

約数和(自身を含む): 30187080

約数和(自身を除く): 10171737

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2267, 2943, 6801, 8829, 20403, 61209, 183627, 247103, 741309, 2223927, 6671781, 20015343]

約数ペア:

[(1, 20015343), (3, 6671781), (9, 2223927), (27, 741309), (81, 247103), (109, 183627), (327, 61209), (981, 20403), (2267, 8829), (2943, 6801)]