20979717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37397}}^1$

素因数の和:37428

約数の個数: 16

約数和(自身を含む): 32311872

約数和(自身を除く): 11332155

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37397, 112191, 411367, 635749, 1234101, 1907247, 6993239, 20979717]

約数ペア:

[(1, 20979717), (3, 6993239), (11, 1907247), (17, 1234101), (33, 635749), (51, 411367), (187, 112191), (561, 37397)]