20887212

素因数分解:

$2^2\times 3^1\times {\mathrm{643}}^1\times {\mathrm{2707}}^1$

素因数の和:3357

約数の個数: 24

約数和(自身を含む): 48830656

約数和(自身を除く): 27943444

約数列:

[1, 2, 3, 4, 6, 12, 643, 1286, 1929, 2572, 2707, 3858, 5414, 7716, 8121, 10828, 16242, 32484, 1740601, 3481202, 5221803, 6962404, 10443606, 20887212]

約数ペア:

[(1, 20887212), (2, 10443606), (3, 6962404), (4, 5221803), (6, 3481202), (12, 1740601), (643, 32484), (1286, 16242), (1929, 10828), (2572, 8121), (2707, 7716), (3858, 5414)]