20757541895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1579}}^1\times {\mathrm{1949}}^1$

素因数の和:3623

約数の個数: 32

約数和(自身を含む): 26619840000

約数和(自身を除く): 5862298105

約数列:

[1, 5, 19, 71, 95, 355, 1349, 1579, 1949, 6745, 7895, 9745, 30001, 37031, 112109, 138379, 150005, 185155, 560545, 691895, 2130071, 2629201, 3077471, 10650355, 13146005, 15387355, 58471949, 218500441, 292359745, 1092502205, 4151508379, 20757541895]

約数ペア:

[(1, 20757541895), (5, 4151508379), (19, 1092502205), (71, 292359745), (95, 218500441), (355, 58471949), (1349, 15387355), (1579, 13146005), (1949, 10650355), (6745, 3077471), (7895, 2629201), (9745, 2130071), (30001, 691895), (37031, 560545), (112109, 185155), (138379, 150005)]