20189802951

素因数分解:

$3^2\times {\mathrm{2287}}^1\times {\mathrm{980897}}^1$

素因数の和:983190

約数の個数: 12

約数和(自身を含む): 29175830112

約数和(自身を除く): 8986027161

約数列:

[1, 3, 9, 2287, 6861, 20583, 980897, 2942691, 8828073, 2243311439, 6729934317, 20189802951]

約数ペア:

[(1, 20189802951), (3, 6729934317), (9, 2243311439), (2287, 8828073), (6861, 2942691), (20583, 980897)]