20172960873

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57472823}}^1$

素因数の和:57472845

約数の個数: 16

約数和(自身を含む): 32184781440

約数和(自身を除く): 12011820567

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57472823, 172418469, 517255407, 747146699, 1551766221, 2241440097, 6724320291, 20172960873]

約数ペア:

[(1, 20172960873), (3, 6724320291), (9, 2241440097), (13, 1551766221), (27, 747146699), (39, 517255407), (117, 172418469), (351, 57472823)]