20972466

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20441}}^1$

素因数の和:20471

約数の個数: 32

約数和(自身を含む): 49060800

約数和(自身を除く): 28088334

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20441, 40882, 61323, 122646, 183969, 367938, 388379, 551907, 776758, 1103814, 1165137, 2330274, 3495411, 6990822, 10486233, 20972466]

約数ペア:

[(1, 20972466), (2, 10486233), (3, 6990822), (6, 3495411), (9, 2330274), (18, 1165137), (19, 1103814), (27, 776758), (38, 551907), (54, 388379), (57, 367938), (114, 183969), (171, 122646), (342, 61323), (513, 40882), (1026, 20441)]