20288853

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57803}}^1$

素因数の和:57825

約数の個数: 16

約数和(自身を含む): 32370240

約数和(自身を除く): 12081387

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57803, 173409, 520227, 751439, 1560681, 2254317, 6762951, 20288853]

約数ペア:

[(1, 20288853), (3, 6762951), (9, 2254317), (13, 1560681), (27, 751439), (39, 520227), (117, 173409), (351, 57803)]