20790787639

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^2\times {\mathrm{2971}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 22807841280

約数和(自身を除く): 2017053641

約数列:

[1, 19, 31, 109, 589, 2071, 2971, 3379, 11881, 56449, 64201, 92101, 225739, 323839, 368311, 1749919, 6152941, 6997909, 10039009, 35298451, 190741171, 670670569, 1094251981, 20790787639]

約数ペア:

[(1, 20790787639), (19, 1094251981), (31, 670670569), (109, 190741171), (589, 35298451), (2071, 10039009), (2971, 6997909), (3379, 6152941), (11881, 1749919), (56449, 368311), (64201, 323839), (92101, 225739)]