20706621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4871}}^1$

素因数の和:4996

約数の個数: 16

約数和(自身を含む): 30011520

約数和(自身を除く): 9304899

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4871, 14613, 63323, 189969, 530939, 1592817, 6902207, 20706621]

約数ペア:

[(1, 20706621), (3, 6902207), (13, 1592817), (39, 530939), (109, 189969), (327, 63323), (1417, 14613), (4251, 4871)]