20155223090

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4207771}}^1$

素因数の和:4208257

約数の個数: 16

約数和(自身を含む): 36355150080

約数和(自身を除く): 16199926990

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4790, 4207771, 8415542, 21038855, 42077710, 2015522309, 4031044618, 10077611545, 20155223090]

約数ペア:

[(1, 20155223090), (2, 10077611545), (5, 4031044618), (10, 2015522309), (479, 42077710), (958, 21038855), (2395, 8415542), (4790, 4207771)]