20291679

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 30331392

約数和(自身を除く): 10039713

約数列:

[1, 3, 9, 41, 123, 127, 369, 381, 433, 1143, 1299, 3897, 5207, 15621, 17753, 46863, 53259, 54991, 159777, 164973, 494919, 2254631, 6763893, 20291679]

約数ペア:

[(1, 20291679), (3, 6763893), (9, 2254631), (41, 494919), (123, 164973), (127, 159777), (369, 54991), (381, 53259), (433, 46863), (1143, 17753), (1299, 15621), (3897, 5207)]