20995737

素因数分解:

$3^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{2309}}^1$

素因数の和:2752

約数の個数: 16

約数和(自身を含む): 32081280

約数和(自身を除く): 11085543

約数列:

[1, 3, 7, 21, 433, 1299, 2309, 3031, 6927, 9093, 16163, 48489, 999797, 2999391, 6998579, 20995737]

約数ペア:

[(1, 20995737), (3, 6998579), (7, 2999391), (21, 999797), (433, 48489), (1299, 16163), (2309, 9093), (3031, 6927)]