20147871205

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7476019}}^1$

素因数の和:7476049

約数の個数: 24

約数和(自身を含む): 30681586080

約数和(自身を除く): 10533714875

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 7476019, 37380095, 52332133, 82236209, 261660665, 366324931, 411181045, 575653463, 1831624655, 2878267315, 4029574241, 20147871205]

約数ペア:

[(1, 20147871205), (5, 4029574241), (7, 2878267315), (11, 1831624655), (35, 575653463), (49, 411181045), (55, 366324931), (77, 261660665), (245, 82236209), (385, 52332133), (539, 37380095), (2695, 7476019)]