20594805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1621}}^1$

素因数の和:1658

約数の個数: 48

約数和(自身を含む): 41419392

約数和(自身を除く): 20824587

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1621, 1815, 2541, 4235, 4863, 8105, 11347, 12705, 17831, 24315, 34041, 53493, 56735, 89155, 124817, 170205, 196141, 267465, 374451, 588423, 624085, 980705, 1372987, 1872255, 2942115, 4118961, 6864935, 20594805]

約数ペア:

[(1, 20594805), (3, 6864935), (5, 4118961), (7, 2942115), (11, 1872255), (15, 1372987), (21, 980705), (33, 624085), (35, 588423), (55, 374451), (77, 267465), (105, 196141), (121, 170205), (165, 124817), (231, 89155), (363, 56735), (385, 53493), (605, 34041), (847, 24315), (1155, 17831), (1621, 12705), (1815, 11347), (2541, 8105), (4235, 4863)]