20189802020

素因数分解:

$2^2\times 5^1\times {\mathrm{1009490101}}^1$

素因数の和:1009490110

約数の個数: 12

約数和(自身を含む): 42398584284

約数和(自身を除く): 22208782264

約数列:

[1, 2, 4, 5, 10, 20, 1009490101, 2018980202, 4037960404, 5047450505, 10094901010, 20189802020]

約数ペア:

[(1, 20189802020), (2, 10094901010), (4, 5047450505), (5, 4037960404), (10, 2018980202), (20, 1009490101)]