20217504958

素因数分解:

$2^1\times 7^2\times {\mathrm{499}}^1\times {\mathrm{413429}}^1$

素因数の和:413944

約数の個数: 24

約数和(自身を含む): 35348265000

約数和(自身を除く): 15130760042

約数列:

[1, 2, 7, 14, 49, 98, 499, 998, 3493, 6986, 24451, 48902, 413429, 826858, 2894003, 5788006, 20258021, 40516042, 206301071, 412602142, 1444107497, 2888214994, 10108752479, 20217504958]

約数ペア:

[(1, 20217504958), (2, 10108752479), (7, 2888214994), (14, 1444107497), (49, 412602142), (98, 206301071), (499, 40516042), (998, 20258021), (3493, 5788006), (6986, 2894003), (24451, 826858), (48902, 413429)]