20173216

素因数分解:

$2^5\times 7^1\times {\mathrm{90059}}^1$

素因数の和:90076

約数の個数: 24

約数和(自身を含む): 45390240

約数和(自身を除く): 25217024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90059, 180118, 360236, 630413, 720472, 1260826, 1440944, 2521652, 2881888, 5043304, 10086608, 20173216]

約数ペア:

[(1, 20173216), (2, 10086608), (4, 5043304), (7, 2881888), (8, 2521652), (14, 1440944), (16, 1260826), (28, 720472), (32, 630413), (56, 360236), (112, 180118), (224, 90059)]