20029507900

素因数分解:

$2^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{874651}}^1$

素因数の和:874894

約数の個数: 36

約数和(自身を含む): 43653881320

約数和(自身を除く): 23624373420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 229, 458, 916, 1145, 2290, 4580, 5725, 11450, 22900, 874651, 1749302, 3498604, 4373255, 8746510, 17493020, 21866275, 43732550, 87465100, 200295079, 400590158, 801180316, 1001475395, 2002950790, 4005901580, 5007376975, 10014753950, 20029507900]

約数ペア:

[(1, 20029507900), (2, 10014753950), (4, 5007376975), (5, 4005901580), (10, 2002950790), (20, 1001475395), (25, 801180316), (50, 400590158), (100, 200295079), (229, 87465100), (458, 43732550), (916, 21866275), (1145, 17493020), (2290, 8746510), (4580, 4373255), (5725, 3498604), (11450, 1749302), (22900, 874651)]