20584449

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5407}}^1$

素因数の和:5466

約数の個数: 20

約数和(自身を含む): 31409664

約数和(自身を除く): 10825215

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5407, 16221, 48663, 145989, 254129, 437967, 762387, 2287161, 6861483, 20584449]

約数ペア:

[(1, 20584449), (3, 6861483), (9, 2287161), (27, 762387), (47, 437967), (81, 254129), (141, 145989), (423, 48663), (1269, 16221), (3807, 5407)]