20494800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5693}}^1$

素因数の和:5717

約数の個数: 90

約数和(自身を含む): 71135142

約数和(自身を除く): 50640342

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5693, 11386, 17079, 22772, 28465, 34158, 45544, 51237, 56930, 68316, 85395, 91088, 102474, 113860, 136632, 142325, 170790, 204948, 227720, 256185, 273264, 284650, 341580, 409896, 426975, 455440, 512370, 569300, 683160, 819792, 853950, 1024740, 1138600, 1280925, 1366320, 1707900, 2049480, 2277200, 2561850, 3415800, 4098960, 5123700, 6831600, 10247400, 20494800]

約数ペア:

[(1, 20494800), (2, 10247400), (3, 6831600), (4, 5123700), (5, 4098960), (6, 3415800), (8, 2561850), (9, 2277200), (10, 2049480), (12, 1707900), (15, 1366320), (16, 1280925), (18, 1138600), (20, 1024740), (24, 853950), (25, 819792), (30, 683160), (36, 569300), (40, 512370), (45, 455440), (48, 426975), (50, 409896), (60, 341580), (72, 284650), (75, 273264), (80, 256185), (90, 227720), (100, 204948), (120, 170790), (144, 142325), (150, 136632), (180, 113860), (200, 102474), (225, 91088), (240, 85395), (300, 68316), (360, 56930), (400, 51237), (450, 45544), (600, 34158), (720, 28465), (900, 22772), (1200, 17079), (1800, 11386), (3600, 5693)]