20474640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9479}}^1$

素因数の和:9501

約数の個数: 80

約数和(自身を含む): 70531200

約数和(自身を除く): 50056560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9479, 18958, 28437, 37916, 47395, 56874, 75832, 85311, 94790, 113748, 142185, 151664, 170622, 189580, 227496, 255933, 284370, 341244, 379160, 426555, 454992, 511866, 568740, 682488, 758320, 853110, 1023732, 1137480, 1279665, 1364976, 1706220, 2047464, 2274960, 2559330, 3412440, 4094928, 5118660, 6824880, 10237320, 20474640]

約数ペア:

[(1, 20474640), (2, 10237320), (3, 6824880), (4, 5118660), (5, 4094928), (6, 3412440), (8, 2559330), (9, 2274960), (10, 2047464), (12, 1706220), (15, 1364976), (16, 1279665), (18, 1137480), (20, 1023732), (24, 853110), (27, 758320), (30, 682488), (36, 568740), (40, 511866), (45, 454992), (48, 426555), (54, 379160), (60, 341244), (72, 284370), (80, 255933), (90, 227496), (108, 189580), (120, 170622), (135, 151664), (144, 142185), (180, 113748), (216, 94790), (240, 85311), (270, 75832), (360, 56874), (432, 47395), (540, 37916), (720, 28437), (1080, 18958), (2160, 9479)]