20844376

素因数分解:

$2^3\times 7^1\times {\mathrm{449}}^1\times {\mathrm{829}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 44820000

約数和(自身を除く): 23975624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 449, 829, 898, 1658, 1796, 3143, 3316, 3592, 5803, 6286, 6632, 11606, 12572, 23212, 25144, 46424, 372221, 744442, 1488884, 2605547, 2977768, 5211094, 10422188, 20844376]

約数ペア:

[(1, 20844376), (2, 10422188), (4, 5211094), (7, 2977768), (8, 2605547), (14, 1488884), (28, 744442), (56, 372221), (449, 46424), (829, 25144), (898, 23212), (1658, 12572), (1796, 11606), (3143, 6632), (3316, 6286), (3592, 5803)]