20526686

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1571}}^1$

素因数の和:1759

約数の個数: 16

約数和(自身を含む): 31691520

約数和(自身を除く): 11164834

約数列:

[1, 2, 47, 94, 139, 278, 1571, 3142, 6533, 13066, 73837, 147674, 218369, 436738, 10263343, 20526686]

約数ペア:

[(1, 20526686), (2, 10263343), (47, 436738), (94, 218369), (139, 147674), (278, 73837), (1571, 13066), (3142, 6533)]