20320713

素因数分解:

$3^4\times 7^1\times {\mathrm{35839}}^1$

素因数の和:35858

約数の個数: 20

約数和(自身を含む): 34693120

約数和(自身を除く): 14372407

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35839, 107517, 250873, 322551, 752619, 967653, 2257857, 2902959, 6773571, 20320713]

約数ペア:

[(1, 20320713), (3, 6773571), (7, 2902959), (9, 2257857), (21, 967653), (27, 752619), (63, 322551), (81, 250873), (189, 107517), (567, 35839)]