20166356

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11807}}^1$

素因数の和:11879

約数の個数: 24

約数和(自身を含む): 40997376

約数和(自身を除く): 20831020

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11807, 23614, 47228, 82649, 165298, 330596, 720227, 1440454, 2880908, 5041589, 10083178, 20166356]

約数ペア:

[(1, 20166356), (2, 10083178), (4, 5041589), (7, 2880908), (14, 1440454), (28, 720227), (61, 330596), (122, 165298), (244, 82649), (427, 47228), (854, 23614), (1708, 11807)]