20319930001

素因数分解:

$7^2\times {\mathrm{1301}}^1\times {\mathrm{318749}}^1$

素因数の和:320064

約数の個数: 12

約数和(自身を含む): 23655712500

約数和(自身を除く): 3335782499

約数列:

[1, 7, 49, 1301, 9107, 63749, 318749, 2231243, 15618701, 414692449, 2902847143, 20319930001]

約数ペア:

[(1, 20319930001), (7, 2902847143), (49, 414692449), (1301, 15618701), (9107, 2231243), (63749, 318749)]