20808515545

素因数分解:

$5^1\times {\mathrm{701}}^1\times {\mathrm{1571}}^1\times {\mathrm{3779}}^1$

素因数の和:6056

約数の個数: 16

約数和(自身を含む): 25028377920

約数和(自身を除く): 4219862375

約数列:

[1, 5, 701, 1571, 3505, 3779, 7855, 18895, 1101271, 2649079, 5506355, 5936809, 13245395, 29684045, 4161703109, 20808515545]

約数ペア:

[(1, 20808515545), (5, 4161703109), (701, 29684045), (1571, 13245395), (3505, 5936809), (3779, 5506355), (7855, 2649079), (18895, 1101271)]