20806788109

素因数分解:

${\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{811}}^1\times {\mathrm{2819}}^1$

素因数の和:4128

約数の個数: 16

約数和(自身を含む): 21982464000

約数和(自身を除く): 1175675891

約数列:

[1, 19, 479, 811, 2819, 9101, 15409, 53561, 388469, 1350301, 2286209, 7380911, 25655719, 43437971, 1095094111, 20806788109]

約数ペア:

[(1, 20806788109), (19, 1095094111), (479, 43437971), (811, 25655719), (2819, 7380911), (9101, 2286209), (15409, 1350301), (53561, 388469)]