20622069

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4099}}^1$

素因数の和:4161

約数の個数: 24

約数和(自身を含む): 32832800

約数和(自身を除く): 12210731

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 4099, 5031, 12297, 36891, 53287, 159861, 176257, 479583, 528771, 1586313, 2291341, 6874023, 20622069]

約数ペア:

[(1, 20622069), (3, 6874023), (9, 2291341), (13, 1586313), (39, 528771), (43, 479583), (117, 176257), (129, 159861), (387, 53287), (559, 36891), (1677, 12297), (4099, 5031)]