20195304890

素因数分解:

$2^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2848421}}^1$

素因数の和:2849137

約数の個数: 16

約数和(自身を含む): 36402833160

約数和(自身を除く): 16207528270

約数列:

[1, 2, 5, 10, 709, 1418, 3545, 7090, 2848421, 5696842, 14242105, 28484210, 2019530489, 4039060978, 10097652445, 20195304890]

約数ペア:

[(1, 20195304890), (2, 10097652445), (5, 4039060978), (10, 2019530489), (709, 28484210), (1418, 14242105), (3545, 5696842), (7090, 2848421)]