20525760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7127}}^1$

素因数の和:7150

約数の個数: 84

約数和(自身を含む): 70609968

約数和(自身を除く): 50084208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7127, 14254, 21381, 28508, 35635, 42762, 57016, 64143, 71270, 85524, 106905, 114032, 128286, 142540, 171048, 213810, 228064, 256572, 285080, 320715, 342096, 427620, 456128, 513144, 570160, 641430, 684192, 855240, 1026288, 1140320, 1282860, 1368384, 1710480, 2052576, 2280640, 2565720, 3420960, 4105152, 5131440, 6841920, 10262880, 20525760]

約数ペア:

[(1, 20525760), (2, 10262880), (3, 6841920), (4, 5131440), (5, 4105152), (6, 3420960), (8, 2565720), (9, 2280640), (10, 2052576), (12, 1710480), (15, 1368384), (16, 1282860), (18, 1140320), (20, 1026288), (24, 855240), (30, 684192), (32, 641430), (36, 570160), (40, 513144), (45, 456128), (48, 427620), (60, 342096), (64, 320715), (72, 285080), (80, 256572), (90, 228064), (96, 213810), (120, 171048), (144, 142540), (160, 128286), (180, 114032), (192, 106905), (240, 85524), (288, 71270), (320, 64143), (360, 57016), (480, 42762), (576, 35635), (720, 28508), (960, 21381), (1440, 14254), (2880, 7127)]