20819255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{673}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 26205120

約数和(自身を除く): 5385865

約数列:

[1, 5, 23, 115, 269, 673, 1345, 3365, 6187, 15479, 30935, 77395, 181037, 905185, 4163851, 20819255]

約数ペア:

[(1, 20819255), (5, 4163851), (23, 905185), (115, 181037), (269, 77395), (673, 30935), (1345, 15479), (3365, 6187)]