20155761

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 31150080

約数和(自身を除く): 10994319

約数列:

[1, 3, 9, 17, 51, 103, 153, 309, 927, 1279, 1751, 3837, 5253, 11511, 15759, 21743, 65229, 131737, 195687, 395211, 1185633, 2239529, 6718587, 20155761]

約数ペア:

[(1, 20155761), (3, 6718587), (9, 2239529), (17, 1185633), (51, 395211), (103, 195687), (153, 131737), (309, 65229), (927, 21743), (1279, 15759), (1751, 11511), (3837, 5253)]