The factors of the number 8,838,144 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 137, 144, 168, 192, 224, 252, 256, 274, 288, 336, 384, 411, 448, 504, 512, 548, 576, 672, 768, 822, 896, 959, 1008, 1024, 1096, 1152, 1233, 1344, 1536, 1644, 1792, 1918, 2016, 2192, 2304, 2466, 2688, 2877, 3072, 3288, 3584, 3836, 4032, 4384, 4608, 4932, 5376, 5754, 6576, 7168, 7672, 8064, 8631, 8768, 9216, 9864, 10752, 11508, 13152, 15344, 16128, 17262, 17536, 19728, 21504, 23016, 26304, 30688, 32256, 34524, 35072, 39456, 46032, 52608, 61376, 64512, 69048, 70144, 78912, 92064, 105216, 122752, 138096, 140288, 157824, 184128, 210432, 245504, 276192, 315648, 368256, 420864, 491008, 552384, 631296, 736512, 982016, 1104768, 1262592, 1473024, 2209536, 2946048, 4419072, 8838144.
If you add them up, you will get the total of 8,838,164. Now subtract 8,838,144 to get 20,540,400