20971922

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{433}}^1$

素因数の和:893

約数の個数: 16

約数和(自身を含む): 32128152

約数和(自身を除く): 11156230

約数列:

[1, 2, 61, 122, 397, 433, 794, 866, 24217, 26413, 48434, 52826, 171901, 343802, 10485961, 20971922]

約数ペア:

[(1, 20971922), (2, 10485961), (61, 343802), (122, 171901), (397, 52826), (433, 48434), (794, 26413), (866, 24217)]