20646352

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5021}}^1$

素因数の和:5286

約数の個数: 20

約数和(自身を含む): 40165956

約数和(自身を除く): 19519604

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5021, 10042, 20084, 40168, 80336, 1290397, 2580794, 5161588, 10323176, 20646352]

約数ペア:

[(1, 20646352), (2, 10323176), (4, 5161588), (8, 2580794), (16, 1290397), (257, 80336), (514, 40168), (1028, 20084), (2056, 10042), (4112, 5021)]