20127905

素因数分解:

$5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1063}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 27681024

約数和(自身を除く): 7553119

約数列:

[1, 5, 7, 35, 541, 1063, 2705, 3787, 5315, 7441, 18935, 37205, 575083, 2875415, 4025581, 20127905]

約数ペア:

[(1, 20127905), (5, 4025581), (7, 2875415), (35, 575083), (541, 37205), (1063, 18935), (2705, 7441), (3787, 5315)]