20161220782

素因数分解:

$2^1\times {\mathrm{2221}}^1\times {\mathrm{4538771}}^1$

素因数の和:4540994

約数の個数: 8

約数和(自身を含む): 30255454152

約数和(自身を除く): 10094233370

約数列:

[1, 2, 2221, 4442, 4538771, 9077542, 10080610391, 20161220782]

約数ペア:

[(1, 20161220782), (2, 10080610391), (2221, 9077542), (4442, 4538771)]