20317358305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^2\times {\mathrm{4091}}^1$

素因数の和:4485

約数の個数: 24

約数和(自身を含む): 25314879744

約数和(自身を除く): 4997521439

約数列:

[1, 5, 31, 155, 179, 895, 4091, 5549, 20455, 27745, 32041, 126821, 160205, 634105, 732289, 993271, 3661445, 4966355, 22700959, 113504795, 131079731, 655398655, 4063471661, 20317358305]

約数ペア:

[(1, 20317358305), (5, 4063471661), (31, 655398655), (155, 131079731), (179, 113504795), (895, 22700959), (4091, 4966355), (5549, 3661445), (20455, 993271), (27745, 732289), (32041, 634105), (126821, 160205)]