20179918040

素因数分解:

$2^3\times 5^1\times {\mathrm{504497951}}^1$

素因数の和:504497962

約数の個数: 16

約数和(自身を含む): 45404815680

約数和(自身を除く): 25224897640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504497951, 1008995902, 2017991804, 2522489755, 4035983608, 5044979510, 10089959020, 20179918040]

約数ペア:

[(1, 20179918040), (2, 10089959020), (4, 5044979510), (5, 4035983608), (8, 2522489755), (10, 2017991804), (20, 1008995902), (40, 504497951)]