20828049123

素因数分解:

$3^1\times 7^2\times {\mathrm{11701}}^1\times {\mathrm{12109}}^1$

素因数の和:23827

約数の個数: 24

約数和(自身を含む): 32310158160

約数和(自身を除く): 11482109037

約数列:

[1, 3, 7, 21, 49, 147, 11701, 12109, 35103, 36327, 81907, 84763, 245721, 254289, 573349, 593341, 1720047, 1780023, 141687409, 425062227, 991811863, 2975435589, 6942683041, 20828049123]

約数ペア:

[(1, 20828049123), (3, 6942683041), (7, 2975435589), (21, 991811863), (49, 425062227), (147, 141687409), (11701, 1780023), (12109, 1720047), (35103, 593341), (36327, 573349), (81907, 254289), (84763, 245721)]