20965616

素因数分解:

$2^4\times 7^1\times {\mathrm{187193}}^1$

素因数の和:187208

約数の個数: 20

約数和(自身を含む): 46424112

約数和(自身を除く): 25458496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187193, 374386, 748772, 1310351, 1497544, 2620702, 2995088, 5241404, 10482808, 20965616]

約数ペア:

[(1, 20965616), (2, 10482808), (4, 5241404), (7, 2995088), (8, 2620702), (14, 1497544), (16, 1310351), (28, 748772), (56, 374386), (112, 187193)]