The factors of the number 20,270,544 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 43, 46, 48, 56, 61, 69, 84, 86, 92, 112, 122, 129, 138, 161, 168, 172, 183, 184, 244, 258, 276, 301, 322, 336, 344, 366, 368, 427, 483, 488, 516, 552, 602, 644, 688, 732, 854, 903, 966, 976, 989, 1032, 1104, 1204, 1281, 1288, 1403, 1464, 1708, 1806, 1932, 1978, 2064, 2408, 2562, 2576, 2623, 2806, 2928, 2967, 3416, 3612, 3864, 3956, 4209, 4816, 5124, 5246, 5612, 5934, 6832, 6923, 7224, 7728, 7869, 7912, 8418, 9821, 10248, 10492, 11224, 11868, 13846, 14448, 15738, 15824, 16836, 18361, 19642, 20496, 20769, 20984, 22448, 23736, 27692, 29463, 31476, 33672, 36722, 39284, 41538, 41968, 47472, 55083, 55384, 58926, 60329, 62952, 67344, 73444, 78568, 83076, 110166, 110768, 117852, 120658, 125904, 146888, 157136, 166152, 180987, 220332, 235704, 241316, 293776, 332304, 361974, 422303, 440664, 471408, 482632, 723948, 844606, 881328, 965264, 1266909, 1447896, 1689212, 2533818, 2895792, 3378424, 5067636, 6756848, 10135272, 20270544.
If you add them up, you will get the total of 64,948,224.