20096640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1163}}^1$

素因数の和:1191

約数の個数: 128

約数和(自身を含む): 71236800

約数和(自身を除く): 51140160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1163, 1440, 1728, 1920, 2160, 2326, 2880, 3456, 3489, 4320, 4652, 5760, 5815, 6978, 8640, 9304, 10467, 11630, 13956, 17280, 17445, 18608, 20934, 23260, 27912, 31401, 34890, 37216, 41868, 46520, 52335, 55824, 62802, 69780, 74432, 83736, 93040, 104670, 111648, 125604, 139560, 148864, 157005, 167472, 186080, 209340, 223296, 251208, 279120, 314010, 334944, 372160, 418680, 446592, 502416, 558240, 628020, 669888, 744320, 837360, 1004832, 1116480, 1256040, 1339776, 1674720, 2009664, 2232960, 2512080, 3349440, 4019328, 5024160, 6698880, 10048320, 20096640]

約数ペア:

[(1, 20096640), (2, 10048320), (3, 6698880), (4, 5024160), (5, 4019328), (6, 3349440), (8, 2512080), (9, 2232960), (10, 2009664), (12, 1674720), (15, 1339776), (16, 1256040), (18, 1116480), (20, 1004832), (24, 837360), (27, 744320), (30, 669888), (32, 628020), (36, 558240), (40, 502416), (45, 446592), (48, 418680), (54, 372160), (60, 334944), (64, 314010), (72, 279120), (80, 251208), (90, 223296), (96, 209340), (108, 186080), (120, 167472), (128, 157005), (135, 148864), (144, 139560), (160, 125604), (180, 111648), (192, 104670), (216, 93040), (240, 83736), (270, 74432), (288, 69780), (320, 62802), (360, 55824), (384, 52335), (432, 46520), (480, 41868), (540, 37216), (576, 34890), (640, 31401), (720, 27912), (864, 23260), (960, 20934), (1080, 18608), (1152, 17445), (1163, 17280), (1440, 13956), (1728, 11630), (1920, 10467), (2160, 9304), (2326, 8640), (2880, 6978), (3456, 5815), (3489, 5760), (4320, 4652)]