20418369

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8737}}^1$

素因数の和:8800

約数の個数: 16

約数和(自身を含む): 29359680

約数和(自身を除く): 8941311

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 8737, 26211, 166003, 358217, 498009, 1074651, 6806123, 20418369]

約数ペア:

[(1, 20418369), (3, 6806123), (19, 1074651), (41, 498009), (57, 358217), (123, 166003), (779, 26211), (2337, 8737)]