20789743

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1153}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 23910880

約数和(自身を除く): 3121137

約数列:

[1, 13, 19, 73, 247, 949, 1153, 1387, 14989, 18031, 21907, 84169, 284791, 1094197, 1599211, 20789743]

約数ペア:

[(1, 20789743), (13, 1599211), (19, 1094197), (73, 284791), (247, 84169), (949, 21907), (1153, 18031), (1387, 14989)]