2017420220

素因数分解:

$2^2\times 5^1\times {\mathrm{100871011}}^1$

素因数の和:100871020

約数の個数: 12

約数和(自身を含む): 4236582504

約数和(自身を除く): 2219162284

約数列:

[1, 2, 4, 5, 10, 20, 100871011, 201742022, 403484044, 504355055, 1008710110, 2017420220]

約数ペア:

[(1, 2017420220), (2, 1008710110), (4, 504355055), (5, 403484044), (10, 201742022), (20, 100871011)]