2017420180

素因数分解:

$2^2\times 5^1\times {\mathrm{100871009}}^1$

素因数の和:100871018

約数の個数: 12

約数和(自身を含む): 4236582420

約数和(自身を除く): 2219162240

約数列:

[1, 2, 4, 5, 10, 20, 100871009, 201742018, 403484036, 504355045, 1008710090, 2017420180]

約数ペア:

[(1, 2017420180), (2, 1008710090), (4, 504355045), (5, 403484036), (10, 201742018), (20, 100871009)]