20179685

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2092

約数の個数: 16

約数和(自身を含む): 25318656

約数和(自身を除く): 5138971

約数列:

[1, 5, 43, 47, 215, 235, 1997, 2021, 9985, 10105, 85871, 93859, 429355, 469295, 4035937, 20179685]

約数ペア:

[(1, 20179685), (5, 4035937), (43, 469295), (47, 429355), (215, 93859), (235, 85871), (1997, 10105), (2021, 9985)]