20197172020

素因数分解:

$2^2\times 5^1\times {\mathrm{1009858601}}^1$

素因数の和:1009858610

約数の個数: 12

約数和(自身を含む): 42414061284

約数和(自身を除く): 22216889264

約数列:

[1, 2, 4, 5, 10, 20, 1009858601, 2019717202, 4039434404, 5049293005, 10098586010, 20197172020]

約数ペア:

[(1, 20197172020), (2, 10098586010), (4, 5049293005), (5, 4039434404), (10, 2019717202), (20, 1009858601)]