20448235

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1033}}^1$

素因数の和:1182

約数の個数: 16

約数和(自身を含む): 25461216

約数和(自身を除く): 5012981

約数列:

[1, 5, 37, 107, 185, 535, 1033, 3959, 5165, 19795, 38221, 110531, 191105, 552655, 4089647, 20448235]

約数ペア:

[(1, 20448235), (5, 4089647), (37, 552655), (107, 191105), (185, 110531), (535, 38221), (1033, 19795), (3959, 5165)]