20735559

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5717}}^1$

素因数の和:5767

約数の個数: 24

約数和(自身を含む): 33301632

約数和(自身を除く): 12566073

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5717, 17151, 51453, 74321, 177227, 222963, 531681, 668889, 1595043, 2303951, 6911853, 20735559]

約数ペア:

[(1, 20735559), (3, 6911853), (9, 2303951), (13, 1595043), (31, 668889), (39, 531681), (93, 222963), (117, 177227), (279, 74321), (403, 51453), (1209, 17151), (3627, 5717)]