20967089

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7717}}^1$

素因数の和:7760

約数の個数: 16

約数和(自身を含む): 25932480

約数和(自身を除く): 4965391

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7717, 84887, 100321, 146623, 1103531, 1612853, 1906099, 20967089]

約数ペア:

[(1, 20967089), (11, 1906099), (13, 1612853), (19, 1103531), (143, 146623), (209, 100321), (247, 84887), (2717, 7717)]