20736658509

素因数分解:

$3^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1336211}}^1$

素因数の和:1336960

約数の個数: 16

約数和(自身を含む): 31641500160

約数和(自身を除く): 10904841651

約数列:

[1, 3, 7, 21, 739, 2217, 5173, 15519, 1336211, 4008633, 9353477, 28060431, 987459929, 2962379787, 6912219503, 20736658509]

約数ペア:

[(1, 20736658509), (3, 6912219503), (7, 2962379787), (21, 987459929), (739, 28060431), (2217, 9353477), (5173, 4008633), (15519, 1336211)]