20512572069

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1\times {\mathrm{65027}}^1$

素因数の和:65142

約数の個数: 32

約数和(自身を含む): 30464317440

約数和(自身を除く): 9951745371

約数列:

[1, 3, 11, 33, 79, 121, 237, 363, 869, 1331, 2607, 3993, 9559, 28677, 65027, 105149, 195081, 315447, 715297, 2145891, 5137133, 7868267, 15411399, 23604801, 56508463, 86550937, 169525389, 259652811, 621593093, 1864779279, 6837524023, 20512572069]

約数ペア:

[(1, 20512572069), (3, 6837524023), (11, 1864779279), (33, 621593093), (79, 259652811), (121, 169525389), (237, 86550937), (363, 56508463), (869, 23604801), (1331, 15411399), (2607, 7868267), (3993, 5137133), (9559, 2145891), (28677, 715297), (65027, 315447), (105149, 195081)]