20514960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28493}}^1$

素因数の和:28512

約数の個数: 60

約数和(自身を含む): 68898492

約数和(自身を除く): 48383532

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28493, 56986, 85479, 113972, 142465, 170958, 227944, 256437, 284930, 341916, 427395, 455888, 512874, 569860, 683832, 854790, 1025748, 1139720, 1282185, 1367664, 1709580, 2051496, 2279440, 2564370, 3419160, 4102992, 5128740, 6838320, 10257480, 20514960]

約数ペア:

[(1, 20514960), (2, 10257480), (3, 6838320), (4, 5128740), (5, 4102992), (6, 3419160), (8, 2564370), (9, 2279440), (10, 2051496), (12, 1709580), (15, 1367664), (16, 1282185), (18, 1139720), (20, 1025748), (24, 854790), (30, 683832), (36, 569860), (40, 512874), (45, 455888), (48, 427395), (60, 341916), (72, 284930), (80, 256437), (90, 227944), (120, 170958), (144, 142465), (180, 113972), (240, 85479), (360, 56986), (720, 28493)]