20199071067

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56580031}}^1$

素因数の和:56580058

約数の個数: 16

約数和(自身を含む): 32590098432

約数和(自身を除く): 12391027365

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56580031, 169740093, 396060217, 961860527, 1188180651, 2885581581, 6733023689, 20199071067]

約数ペア:

[(1, 20199071067), (3, 6733023689), (7, 2885581581), (17, 1188180651), (21, 961860527), (51, 396060217), (119, 169740093), (357, 56580031)]