20385315

素因数分解:

$3^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{739}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 35440080

約数和(自身を除く): 15054765

約数列:

[1, 3, 5, 9, 15, 45, 613, 739, 1839, 2217, 3065, 3695, 5517, 6651, 9195, 11085, 27585, 33255, 453007, 1359021, 2265035, 4077063, 6795105, 20385315]

約数ペア:

[(1, 20385315), (3, 6795105), (5, 4077063), (9, 2265035), (15, 1359021), (45, 453007), (613, 33255), (739, 27585), (1839, 11085), (2217, 9195), (3065, 6651), (3695, 5517)]