20063967

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{86857}}^1$

素因数の和:86878

約数の個数: 16

約数和(自身を含む): 33353472

約数和(自身を除く): 13289505

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 86857, 260571, 607999, 955427, 1823997, 2866281, 6687989, 20063967]

約数ペア:

[(1, 20063967), (3, 6687989), (7, 2866281), (11, 1823997), (21, 955427), (33, 607999), (77, 260571), (231, 86857)]