20167660

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2297}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 42467040

約数和(自身を除く): 22299380

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 2297, 4390, 4594, 8780, 9188, 11485, 22970, 45940, 1008383, 2016766, 4033532, 5041915, 10083830, 20167660]

約数ペア:

[(1, 20167660), (2, 10083830), (4, 5041915), (5, 4033532), (10, 2016766), (20, 1008383), (439, 45940), (878, 22970), (1756, 11485), (2195, 9188), (2297, 8780), (4390, 4594)]