20711656

素因数分解:

$2^3\times 7^1\times {\mathrm{369851}}^1$

素因数の和:369864

約数の個数: 16

約数和(自身を含む): 44382240

約数和(自身を除く): 23670584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 369851, 739702, 1479404, 2588957, 2958808, 5177914, 10355828, 20711656]

約数ペア:

[(1, 20711656), (2, 10355828), (4, 5177914), (7, 2958808), (8, 2588957), (14, 1479404), (28, 739702), (56, 369851)]