20843956

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8969}}^1$

素因数の和:9063

約数の個数: 24

約数和(自身を含む): 42194880

約数和(自身を除く): 21350924

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 8969, 17938, 35876, 62783, 125566, 251132, 744427, 1488854, 2977708, 5210989, 10421978, 20843956]

約数ペア:

[(1, 20843956), (2, 10421978), (4, 5210989), (7, 2977708), (14, 1488854), (28, 744427), (83, 251132), (166, 125566), (332, 62783), (581, 35876), (1162, 17938), (2324, 8969)]