20161491819

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56474767}}^1$

素因数の和:56474794

約数の個数: 16

約数和(自身を含む): 32529466368

約数和(自身を除く): 12367974549

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56474767, 169424301, 395323369, 960071039, 1185970107, 2880213117, 6720497273, 20161491819]

約数ペア:

[(1, 20161491819), (3, 6720497273), (7, 2880213117), (17, 1185970107), (21, 960071039), (51, 395323369), (119, 169424301), (357, 56474767)]