20868639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37199}}^1$

素因数の和:37230

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 11272161

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37199, 111597, 409189, 632383, 1227567, 1897149, 6956213, 20868639]

約数ペア:

[(1, 20868639), (3, 6956213), (11, 1897149), (17, 1227567), (33, 632383), (51, 409189), (187, 111597), (561, 37199)]