20957216

素因数分解:

$2^5\times 7^1\times {\mathrm{93559}}^1$

素因数の和:93576

約数の個数: 24

約数和(自身を含む): 47154240

約数和(自身を除く): 26197024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 93559, 187118, 374236, 654913, 748472, 1309826, 1496944, 2619652, 2993888, 5239304, 10478608, 20957216]

約数ペア:

[(1, 20957216), (2, 10478608), (4, 5239304), (7, 2993888), (8, 2619652), (14, 1496944), (16, 1309826), (28, 748472), (32, 654913), (56, 374236), (112, 187118), (224, 93559)]