20448470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{997}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 42251328

約数和(自身を除く): 21802858

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293, 586, 997, 1465, 1994, 2051, 2930, 4102, 4985, 6979, 9970, 10255, 13958, 20510, 34895, 69790, 292121, 584242, 1460605, 2044847, 2921210, 4089694, 10224235, 20448470]

約数ペア:

[(1, 20448470), (2, 10224235), (5, 4089694), (7, 2921210), (10, 2044847), (14, 1460605), (35, 584242), (70, 292121), (293, 69790), (586, 34895), (997, 20510), (1465, 13958), (1994, 10255), (2051, 9970), (2930, 6979), (4102, 4985)]