20424565580

素因数分解:

$2^2\times 5^1\times {\mathrm{10009}}^1\times {\mathrm{102031}}^1$

素因数の和:112049

約数の個数: 24

約数和(自身を含む): 42896293440

約数和(自身を除く): 22471727860

約数列:

[1, 2, 4, 5, 10, 20, 10009, 20018, 40036, 50045, 100090, 102031, 200180, 204062, 408124, 510155, 1020310, 2040620, 1021228279, 2042456558, 4084913116, 5106141395, 10212282790, 20424565580]

約数ペア:

[(1, 20424565580), (2, 10212282790), (4, 5106141395), (5, 4084913116), (10, 2042456558), (20, 1021228279), (10009, 2040620), (20018, 1020310), (40036, 510155), (50045, 408124), (100090, 204062), (102031, 200180)]