20771037

素因数分解:

$3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{677}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 34409856

約数和(自身を除く): 13638819

約数列:

[1, 3, 7, 9, 21, 63, 487, 677, 1461, 2031, 3409, 4383, 4739, 6093, 10227, 14217, 30681, 42651, 329699, 989097, 2307893, 2967291, 6923679, 20771037]

約数ペア:

[(1, 20771037), (3, 6923679), (7, 2967291), (9, 2307893), (21, 989097), (63, 329699), (487, 42651), (677, 30681), (1461, 14217), (2031, 10227), (3409, 6093), (4383, 4739)]