20612655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65437}}^1$

素因数の和:65455

約数の個数: 24

約数和(自身を含む): 40833312

約数和(自身を除く): 20220657

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65437, 196311, 327185, 458059, 588933, 981555, 1374177, 2290295, 2944665, 4122531, 6870885, 20612655]

約数ペア:

[(1, 20612655), (3, 6870885), (5, 4122531), (7, 2944665), (9, 2290295), (15, 1374177), (21, 981555), (35, 588933), (45, 458059), (63, 327185), (105, 196311), (315, 65437)]