20215291298

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1\times {\mathrm{82891}}^1$

素因数の和:84953

約数の個数: 16

約数和(自身を含む): 30835824000

約数和(自身を除く): 10620532702

約数列:

[1, 2, 61, 122, 1999, 3998, 82891, 121939, 165782, 243878, 5056351, 10112702, 165699109, 331398218, 10107645649, 20215291298]

約数ペア:

[(1, 20215291298), (2, 10107645649), (61, 331398218), (122, 165699109), (1999, 10112702), (3998, 5056351), (82891, 243878), (121939, 165782)]