20389593

素因数分解:

$3^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{2027}}^1$

素因数の和:2516

約数の個数: 16

約数和(自身を含む): 31150080

約数和(自身を除く): 10760487

約数列:

[1, 3, 7, 21, 479, 1437, 2027, 3353, 6081, 10059, 14189, 42567, 970933, 2912799, 6796531, 20389593]

約数ペア:

[(1, 20389593), (3, 6796531), (7, 2912799), (21, 970933), (479, 42567), (1437, 14189), (2027, 10059), (3353, 6081)]