20948279

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 24295680

約数和(自身を除く): 3347401

約数列:

[1, 11, 19, 113, 209, 887, 1243, 2147, 9757, 16853, 23617, 100231, 185383, 1102541, 1904389, 20948279]

約数ペア:

[(1, 20948279), (11, 1904389), (19, 1102541), (113, 185383), (209, 100231), (887, 23617), (1243, 16853), (2147, 9757)]