20993546

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{811}}^1$

素因数の和:906

約数の個数: 24

約数和(自身を含む): 36890784

約数和(自身を除く): 15897238

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 811, 1622, 1849, 3698, 5677, 11354, 12943, 25886, 34873, 69746, 244111, 488222, 1499539, 2999078, 10496773, 20993546]

約数ペア:

[(1, 20993546), (2, 10496773), (7, 2999078), (14, 1499539), (43, 488222), (86, 244111), (301, 69746), (602, 34873), (811, 25886), (1622, 12943), (1849, 11354), (3698, 5677)]