20580175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10691}}^1$

素因数の和:10719

約数の個数: 24

約数和(自身を含む): 31819392

約数和(自身を除く): 11239217

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 10691, 53455, 74837, 117601, 267275, 374185, 588005, 823207, 1870925, 2940025, 4116035, 20580175]

約数ペア:

[(1, 20580175), (5, 4116035), (7, 2940025), (11, 1870925), (25, 823207), (35, 588005), (55, 374185), (77, 267275), (175, 117601), (275, 74837), (385, 53455), (1925, 10691)]