The factors of the number 8,194,320 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 599, 684, 720, 760, 855, 912, 1140, 1198, 1368, 1520, 1710, 1797, 2280, 2396, 2736, 2995, 3420, 3594, 4560, 4792, 5391, 5990, 6840, 7188, 8985, 9584, 10782, 11381, 11980, 13680, 14376, 17970, 21564, 22762, 23960, 26955, 28752, 34143, 35940, 43128, 45524, 47920, 53910, 56905, 68286, 71880, 86256, 91048, 102429, 107820, 113810, 136572, 143760, 170715, 182096, 204858, 215640, 227620, 273144, 341430, 409716, 431280, 455240, 512145, 546288, 682860, 819432, 910480, 1024290, 1365720, 1638864, 2048580, 2731440, 4097160, 8194320.
If you add them up, you will get the total of 8,194,340. Now subtract 8,194,320 to get 20,821,680