20827212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247943}}^1$

素因数の和:247957

約数の個数: 24

約数和(自身を含む): 55539456

約数和(自身を除く): 34712244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247943, 495886, 743829, 991772, 1487658, 1735601, 2975316, 3471202, 5206803, 6942404, 10413606, 20827212]

約数ペア:

[(1, 20827212), (2, 10413606), (3, 6942404), (4, 5206803), (6, 3471202), (7, 2975316), (12, 1735601), (14, 1487658), (21, 991772), (28, 743829), (42, 495886), (84, 247943)]