The factors of the number 8,258,580 are: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 97, 99, 110, 129, 132, 165, 172, 180, 194, 198, 215, 220, 258, 291, 330, 387, 388, 396, 430, 473, 485, 495, 516, 582, 645, 660, 774, 860, 873, 946, 970, 990, 1067, 1164, 1290, 1419, 1455, 1548, 1746, 1892, 1935, 1940, 1980, 2134, 2365, 2580, 2838, 2910, 3201, 3492, 3870, 4171, 4257, 4268, 4365, 4730, 5335, 5676, 5820, 6402, 7095, 7740, 8342, 8514, 8730, 9460, 9603, 10670, 12513, 12804, 14190, 16005, 16684, 17028, 17460, 19206, 20855, 21285, 21340, 25026, 28380, 32010, 37539, 38412, 41710, 42570, 45881, 48015, 50052, 62565, 64020, 75078, 83420, 85140, 91762, 96030, 125130, 137643, 150156, 183524, 187695, 192060, 229405, 250260, 275286, 375390, 412929, 458810, 550572, 688215, 750780, 825858, 917620, 1376430, 1651716, 2064645, 2752860, 4129290, 8258580.
If you add them up, you will get the total of 8,258,599. Now subtract 8,258,580 to get 19,993,644