20087811070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1\times {\mathrm{43691}}^1$

素因数の和:45720

約数の個数: 32

約数和(自身を含む): 37749888000

約数和(自身を除く): 17662076930

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1999, 3998, 9995, 19990, 43691, 45977, 87382, 91954, 218455, 229885, 436910, 459770, 1004893, 2009786, 5024465, 10048930, 87338309, 174676618, 436691545, 873383090, 2008781107, 4017562214, 10043905535, 20087811070]

約数ペア:

[(1, 20087811070), (2, 10043905535), (5, 4017562214), (10, 2008781107), (23, 873383090), (46, 436691545), (115, 174676618), (230, 87338309), (1999, 10048930), (3998, 5024465), (9995, 2009786), (19990, 1004893), (43691, 459770), (45977, 436910), (87382, 229885), (91954, 218455)]