20189870026

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1\times {\mathrm{320851}}^1$

素因数の和:321357

約数の個数: 16

約数和(自身を含む): 30770990208

約数和(自身を除く): 10581120182

約数列:

[1, 2, 73, 146, 431, 862, 31463, 62926, 320851, 641702, 23422123, 46844246, 138286781, 276573562, 10094935013, 20189870026]

約数ペア:

[(1, 20189870026), (2, 10094935013), (73, 276573562), (146, 138286781), (431, 46844246), (862, 23422123), (31463, 641702), (62926, 320851)]