20510785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5021}}^1$

素因数の和:5088

約数の個数: 16

約数和(自身を含む): 26516160

約数和(自身を除く): 6005375

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 5021, 25105, 95399, 215903, 476995, 1079515, 4102157, 20510785]

約数ペア:

[(1, 20510785), (5, 4102157), (19, 1079515), (43, 476995), (95, 215903), (215, 95399), (817, 25105), (4085, 5021)]