20139760039

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{1422199}}^1$

素因数の和:1422247

約数の個数: 18

約数和(自身を含む): 24887077800

約数和(自身を除く): 4747317761

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 14161, 1422199, 9955393, 24177383, 69687751, 169241681, 411015511, 1184691767, 2877108577, 20139760039]

約数ペア:

[(1, 20139760039), (7, 2877108577), (17, 1184691767), (49, 411015511), (119, 169241681), (289, 69687751), (833, 24177383), (2023, 9955393), (14161, 1422199)]