The factors of the number 8,488,920 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 59, 60, 66, 88, 109, 110, 118, 120, 132, 165, 177, 218, 220, 236, 264, 295, 327, 330, 354, 436, 440, 472, 545, 590, 649, 654, 660, 708, 872, 885, 1090, 1180, 1199, 1298, 1308, 1320, 1416, 1635, 1770, 1947, 2180, 2360, 2398, 2596, 2616, 3245, 3270, 3540, 3597, 3894, 4360, 4796, 5192, 5995, 6431, 6490, 6540, 7080, 7194, 7788, 9592, 9735, 11990, 12862, 12980, 13080, 14388, 15576, 17985, 19293, 19470, 23980, 25724, 25960, 28776, 32155, 35970, 38586, 38940, 47960, 51448, 64310, 70741, 71940, 77172, 77880, 96465, 128620, 141482, 143880, 154344, 192930, 212223, 257240, 282964, 353705, 385860, 424446, 565928, 707410, 771720, 848892, 1061115, 1414820, 1697784, 2122230, 2829640, 4244460, 8488920.
If you add them up, you will get the total of 8,488,940. Now subtract 8,488,920 to get 20,023,080