20201651110

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4939279}}^1$

素因数の和:4939695

約数の個数: 16

約数和(自身を含む): 36451886400

約数和(自身を除く): 16250235290

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4939279, 9878558, 24696395, 49392790, 2020165111, 4040330222, 10100825555, 20201651110]

約数ペア:

[(1, 20201651110), (2, 10100825555), (5, 4040330222), (10, 2020165111), (409, 49392790), (818, 24696395), (2045, 9878558), (4090, 4939279)]