20254808

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1163}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 43580160

約数和(自身を除く): 23325352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1163, 1244, 2177, 2326, 2488, 4354, 4652, 8141, 8708, 9304, 16282, 17416, 32564, 65128, 361693, 723386, 1446772, 2531851, 2893544, 5063702, 10127404, 20254808]

約数ペア:

[(1, 20254808), (2, 10127404), (4, 5063702), (7, 2893544), (8, 2531851), (14, 1446772), (28, 723386), (56, 361693), (311, 65128), (622, 32564), (1163, 17416), (1244, 16282), (2177, 9304), (2326, 8708), (2488, 8141), (4354, 4652)]