20687224

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{25603}}^1$

素因数の和:25710

約数の個数: 16

約数和(自身を含む): 39174120

約数和(自身を除く): 18486896

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 25603, 51206, 102412, 204824, 2585903, 5171806, 10343612, 20687224]

約数ペア:

[(1, 20687224), (2, 10343612), (4, 5171806), (8, 2585903), (101, 204824), (202, 102412), (404, 51206), (808, 25603)]