20081765

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 27898080

約数和(自身を除く): 7816315

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 1747, 2299, 8735, 11495, 19217, 33193, 96085, 165965, 211387, 365123, 1056935, 1825615, 4016353, 20081765]

約数ペア:

[(1, 20081765), (5, 4016353), (11, 1825615), (19, 1056935), (55, 365123), (95, 211387), (121, 165965), (209, 96085), (605, 33193), (1045, 19217), (1747, 11495), (2299, 8735)]