20163857315

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{673}}^1\times {\mathrm{8311}}^1$

素因数の和:9099

約数の個数: 32

約数和(自身を含む): 27966621696

約数和(自身を除く): 7802764381

約数列:

[1, 5, 7, 35, 103, 515, 673, 721, 3365, 3605, 4711, 8311, 23555, 41555, 58177, 69319, 290885, 346595, 485233, 856033, 2426165, 4280165, 5593303, 5992231, 27966515, 29961155, 39153121, 195765605, 576110209, 2880551045, 4032771463, 20163857315]

約数ペア:

[(1, 20163857315), (5, 4032771463), (7, 2880551045), (35, 576110209), (103, 195765605), (515, 39153121), (673, 29961155), (721, 27966515), (3365, 5992231), (3605, 5593303), (4711, 4280165), (8311, 2426165), (23555, 856033), (41555, 485233), (58177, 346595), (69319, 290885)]