20727993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2543}}^1$

素因数の和:2589

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 13463367

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2543, 2717, 7629, 8151, 27973, 33059, 48317, 83919, 99177, 144951, 363649, 531487, 628121, 1090947, 1594461, 1884363, 6909331, 20727993]

約数ペア:

[(1, 20727993), (3, 6909331), (11, 1884363), (13, 1594461), (19, 1090947), (33, 628121), (39, 531487), (57, 363649), (143, 144951), (209, 99177), (247, 83919), (429, 48317), (627, 33059), (741, 27973), (2543, 8151), (2717, 7629)]