The factors of the number 5,252,940 are: 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 379, 385, 396, 420, 462, 495, 630, 660, 693, 758, 770, 924, 990, 1137, 1155, 1260, 1386, 1516, 1540, 1895, 1980, 2274, 2310, 2653, 2772, 3411, 3465, 3790, 4169, 4548, 4620, 5306, 5685, 6822, 6930, 7580, 7959, 8338, 10612, 11370, 12507, 13265, 13644, 13860, 15918, 16676, 17055, 20845, 22740, 23877, 25014, 26530, 29183, 31836, 34110, 37521, 39795, 41690, 47754, 50028, 53060, 58366, 62535, 68220, 75042, 79590, 83380, 87549, 95508, 116732, 119385, 125070, 145915, 150084, 159180, 175098, 187605, 238770, 250140, 262647, 291830, 350196, 375210, 437745, 477540, 525294, 583660, 750420, 875490, 1050588, 1313235, 1750980, 2626470, 5252940.
If you add them up, you will get the total of 19,918,080.