The factors of the number 20,657,700 are: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1093, 1260, 1350, 1575, 1890, 2100, 2186, 2700, 3150, 3279, 3780, 4372, 4725, 5465, 6300, 6558, 7651, 9450, 9837, 10930, 13116, 15302, 16395, 18900, 19674, 21860, 22953, 27325, 29511, 30604, 32790, 38255, 39348, 45906, 49185, 54650, 59022, 65580, 68859, 76510, 81975, 91812, 98370, 109300, 114765, 118044, 137718, 147555, 153020, 163950, 191275, 196740, 206577, 229530, 245925, 275436, 295110, 327900, 344295, 382550, 413154, 459060, 491850, 573825, 590220, 688590, 737775, 765100, 826308, 983700, 1032885, 1147650, 1377180, 1475550, 1721475, 2065770, 2295300, 2951100, 3442950, 4131540, 5164425, 6885900, 10328850, 20657700.
If you add them up, you will get the total of 75,967,360.