20428794

素因数分解:

$2^1\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2539}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 45720000

約数和(自身を除く): 25291206

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 149, 298, 447, 894, 1341, 2539, 2682, 4023, 5078, 7617, 8046, 15234, 22851, 45702, 68553, 137106, 378311, 756622, 1134933, 2269866, 3404799, 6809598, 10214397, 20428794]

約数ペア:

[(1, 20428794), (2, 10214397), (3, 6809598), (6, 3404799), (9, 2269866), (18, 1134933), (27, 756622), (54, 378311), (149, 137106), (298, 68553), (447, 45702), (894, 22851), (1341, 15234), (2539, 8046), (2682, 7617), (4023, 5078)]