20856612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248293}}^1$

素因数の和:248307

約数の個数: 24

約数和(自身を含む): 55617856

約数和(自身を除く): 34761244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248293, 496586, 744879, 993172, 1489758, 1738051, 2979516, 3476102, 5214153, 6952204, 10428306, 20856612]

約数ペア:

[(1, 20856612), (2, 10428306), (3, 6952204), (4, 5214153), (6, 3476102), (7, 2979516), (12, 1738051), (14, 1489758), (21, 993172), (28, 744879), (42, 496586), (84, 248293)]