20175127

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 23871232

約数和(自身を除く): 3696105

約数列:

[1, 7, 43, 97, 301, 679, 691, 4171, 4837, 29197, 29713, 67027, 207991, 469189, 2882161, 20175127]

約数ペア:

[(1, 20175127), (7, 2882161), (43, 469189), (97, 207991), (301, 67027), (679, 29713), (691, 29197), (4171, 4837)]