20574400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1$

素因数の和:207

約数の個数: 168

約数和(自身を含む): 63495936

約数和(自身を除く): 42921536

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 64, 70, 77, 80, 88, 100, 110, 112, 140, 154, 160, 167, 175, 176, 200, 220, 224, 275, 280, 308, 320, 334, 350, 352, 385, 400, 440, 448, 550, 560, 616, 668, 700, 704, 770, 800, 835, 880, 1100, 1120, 1169, 1232, 1336, 1400, 1540, 1600, 1670, 1760, 1837, 1925, 2200, 2240, 2338, 2464, 2672, 2800, 3080, 3340, 3520, 3674, 3850, 4175, 4400, 4676, 4928, 5344, 5600, 5845, 6160, 6680, 7348, 7700, 8350, 8800, 9185, 9352, 10688, 11200, 11690, 12320, 12859, 13360, 14696, 15400, 16700, 17600, 18370, 18704, 23380, 24640, 25718, 26720, 29225, 29392, 30800, 33400, 36740, 37408, 45925, 46760, 51436, 53440, 58450, 58784, 61600, 64295, 66800, 73480, 74816, 91850, 93520, 102872, 116900, 117568, 123200, 128590, 133600, 146960, 183700, 187040, 205744, 233800, 257180, 267200, 293920, 321475, 367400, 374080, 411488, 467600, 514360, 587840, 642950, 734800, 822976, 935200, 1028720, 1285900, 1469600, 1870400, 2057440, 2571800, 2939200, 4114880, 5143600, 10287200, 20574400]

約数ペア:

[(1, 20574400), (2, 10287200), (4, 5143600), (5, 4114880), (7, 2939200), (8, 2571800), (10, 2057440), (11, 1870400), (14, 1469600), (16, 1285900), (20, 1028720), (22, 935200), (25, 822976), (28, 734800), (32, 642950), (35, 587840), (40, 514360), (44, 467600), (50, 411488), (55, 374080), (56, 367400), (64, 321475), (70, 293920), (77, 267200), (80, 257180), (88, 233800), (100, 205744), (110, 187040), (112, 183700), (140, 146960), (154, 133600), (160, 128590), (167, 123200), (175, 117568), (176, 116900), (200, 102872), (220, 93520), (224, 91850), (275, 74816), (280, 73480), (308, 66800), (320, 64295), (334, 61600), (350, 58784), (352, 58450), (385, 53440), (400, 51436), (440, 46760), (448, 45925), (550, 37408), (560, 36740), (616, 33400), (668, 30800), (700, 29392), (704, 29225), (770, 26720), (800, 25718), (835, 24640), (880, 23380), (1100, 18704), (1120, 18370), (1169, 17600), (1232, 16700), (1336, 15400), (1400, 14696), (1540, 13360), (1600, 12859), (1670, 12320), (1760, 11690), (1837, 11200), (1925, 10688), (2200, 9352), (2240, 9185), (2338, 8800), (2464, 8350), (2672, 7700), (2800, 7348), (3080, 6680), (3340, 6160), (3520, 5845), (3674, 5600), (3850, 5344), (4175, 4928), (4400, 4676)]