20538952

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1039}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 44179200

約数和(自身を除く): 23640248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 1039, 1412, 2078, 2471, 2824, 4156, 4942, 7273, 8312, 9884, 14546, 19768, 29092, 58184, 366767, 733534, 1467068, 2567369, 2934136, 5134738, 10269476, 20538952]

約数ペア:

[(1, 20538952), (2, 10269476), (4, 5134738), (7, 2934136), (8, 2567369), (14, 1467068), (28, 733534), (56, 366767), (353, 58184), (706, 29092), (1039, 19768), (1412, 14546), (2078, 9884), (2471, 8312), (2824, 7273), (4156, 4942)]