20769543

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 31177328

約数和(自身を除く): 10407785

約数列:

[1, 3, 9, 37, 97, 111, 291, 333, 643, 873, 1929, 3589, 5787, 10767, 23791, 32301, 62371, 71373, 187113, 214119, 561339, 2307727, 6923181, 20769543]

約数ペア:

[(1, 20769543), (3, 6923181), (9, 2307727), (37, 561339), (97, 214119), (111, 187113), (291, 71373), (333, 62371), (643, 32301), (873, 23791), (1929, 10767), (3589, 5787)]