20528312

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3559}}^1$

素因数の和:3675

約数の個数: 32

約数和(自身を含む): 44428800

約数和(自身を除く): 23900488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3559, 5768, 7118, 14236, 24913, 28472, 49826, 99652, 199304, 366577, 733154, 1466308, 2566039, 2932616, 5132078, 10264156, 20528312]

約数ペア:

[(1, 20528312), (2, 10264156), (4, 5132078), (7, 2932616), (8, 2566039), (14, 1466308), (28, 733154), (56, 366577), (103, 199304), (206, 99652), (412, 49826), (721, 28472), (824, 24913), (1442, 14236), (2884, 7118), (3559, 5768)]