20682711

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1409}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 34313760

約数和(自身を除く): 13631049

約数列:

[1, 3, 7, 9, 21, 63, 233, 699, 1409, 1631, 2097, 4227, 4893, 9863, 12681, 14679, 29589, 88767, 328297, 984891, 2298079, 2954673, 6894237, 20682711]

約数ペア:

[(1, 20682711), (3, 6894237), (7, 2954673), (9, 2298079), (21, 984891), (63, 328297), (233, 88767), (699, 29589), (1409, 14679), (1631, 12681), (2097, 9863), (4227, 4893)]