20740555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{859}}^1$

素因数の和:1314

約数の個数: 16

約数和(自身を含む): 27244800

約数和(自身を除く): 6504245

約数列:

[1, 5, 11, 55, 439, 859, 2195, 4295, 4829, 9449, 24145, 47245, 377101, 1885505, 4148111, 20740555]

約数ペア:

[(1, 20740555), (5, 4148111), (11, 1885505), (55, 377101), (439, 47245), (859, 24145), (2195, 9449), (4295, 4829)]