20617295

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 25310880

約数和(自身を除く): 4693585

約数列:

[1, 5, 89, 107, 433, 445, 535, 2165, 9523, 38537, 46331, 47615, 192685, 231655, 4123459, 20617295]

約数ペア:

[(1, 20617295), (5, 4123459), (89, 231655), (107, 192685), (433, 47615), (445, 46331), (535, 38537), (2165, 9523)]