20215022

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{3889}}^1$

素因数の和:4027

約数の個数: 16

約数和(自身を含む): 31929120

約数和(自身を除く): 11714098

約数列:

[1, 2, 23, 46, 113, 226, 2599, 3889, 5198, 7778, 89447, 178894, 439457, 878914, 10107511, 20215022]

約数ペア:

[(1, 20215022), (2, 10107511), (23, 878914), (46, 439457), (113, 178894), (226, 89447), (2599, 7778), (3889, 5198)]