20402550999

素因数分解:

$3^3\times {\mathrm{4957}}^1\times {\mathrm{152441}}^1$

素因数の和:157407

約数の個数: 16

約数和(自身を含む): 30232297440

約数和(自身を除く): 9829746441

約数列:

[1, 3, 9, 27, 4957, 14871, 44613, 133839, 152441, 457323, 1371969, 4115907, 755650037, 2266950111, 6800850333, 20402550999]

約数ペア:

[(1, 20402550999), (3, 6800850333), (9, 2266950111), (27, 755650037), (4957, 4115907), (14871, 1371969), (44613, 457323), (133839, 152441)]