20588247

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 31025280

約数和(自身を除く): 10437033

約数列:

[1, 3, 9, 31, 93, 109, 279, 327, 677, 981, 2031, 3379, 6093, 10137, 20987, 30411, 62961, 73793, 188883, 221379, 664137, 2287583, 6862749, 20588247]

約数ペア:

[(1, 20588247), (3, 6862749), (9, 2287583), (31, 664137), (93, 221379), (109, 188883), (279, 73793), (327, 62961), (677, 30411), (981, 20987), (2031, 10137), (3379, 6093)]