20189354619

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{991}}^1\times {\mathrm{1699}}^1$

素因数の和:3271

約数の個数: 32

約数和(自身を含む): 30867865600

約数和(自身を除く): 10678510981

約数列:

[1, 3, 7, 21, 571, 991, 1699, 1713, 2973, 3997, 5097, 6937, 11893, 11991, 20811, 35679, 565861, 970129, 1683709, 1697583, 2910387, 3961027, 5051127, 6790903, 11785963, 11883081, 20372709, 35357889, 961397839, 2884193517, 6729784873, 20189354619]

約数ペア:

[(1, 20189354619), (3, 6729784873), (7, 2884193517), (21, 961397839), (571, 35357889), (991, 20372709), (1699, 11883081), (1713, 11785963), (2973, 6790903), (3997, 5051127), (5097, 3961027), (6937, 2910387), (11893, 1697583), (11991, 1683709), (20811, 970129), (35679, 565861)]