20996848467

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9007657}}^1$

素因数の和:9007707

約数の個数: 24

約数和(自身を含む): 35598264416

約数和(自身を除く): 14601415949

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 9007657, 27022971, 63053599, 81068913, 189160797, 333283309, 567482391, 999849927, 2332983163, 2999549781, 6998949489, 20996848467]

約数ペア:

[(1, 20996848467), (3, 6998949489), (7, 2999549781), (9, 2332983163), (21, 999849927), (37, 567482391), (63, 333283309), (111, 189160797), (259, 81068913), (333, 63053599), (777, 27022971), (2331, 9007657)]