20768919

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8887}}^1$

素因数の和:8950

約数の個数: 16

約数和(自身を含む): 29863680

約数和(自身を除く): 9094761

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 8887, 26661, 168853, 364367, 506559, 1093101, 6922973, 20768919]

約数ペア:

[(1, 20768919), (3, 6922973), (19, 1093101), (41, 506559), (57, 364367), (123, 168853), (779, 26661), (2337, 8887)]