20045685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3919}}^1$

素因数の和:3969

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 16081035

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 3919, 5115, 11757, 19595, 43109, 58785, 121489, 129327, 215545, 364467, 607445, 646635, 1336379, 1822335, 4009137, 6681895, 20045685]

約数ペア:

[(1, 20045685), (3, 6681895), (5, 4009137), (11, 1822335), (15, 1336379), (31, 646635), (33, 607445), (55, 364467), (93, 215545), (155, 129327), (165, 121489), (341, 58785), (465, 43109), (1023, 19595), (1705, 11757), (3919, 5115)]