The factors of the number 20,199,564 are: 1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 49, 54, 63, 66, 77, 84, 98, 99, 108, 126, 132, 147, 154, 189, 196, 198, 231, 252, 294, 297, 308, 347, 378, 396, 441, 462, 539, 588, 594, 693, 694, 756, 882, 924, 1041, 1078, 1188, 1323, 1386, 1388, 1617, 1764, 2079, 2082, 2156, 2429, 2646, 2772, 3123, 3234, 3817, 4158, 4164, 4851, 4858, 5292, 6246, 6468, 7287, 7634, 8316, 9369, 9702, 9716, 11451, 12492, 14553, 14574, 15268, 17003, 18738, 19404, 21861, 22902, 26719, 29106, 29148, 34006, 34353, 37476, 43722, 45804, 51009, 53438, 58212, 65583, 68012, 68706, 80157, 87444, 102018, 103059, 106876, 131166, 137412, 153027, 160314, 187033, 204036, 206118, 240471, 262332, 306054, 320628, 374066, 412236, 459081, 480942, 561099, 612108, 721413, 748132, 918162, 961884, 1122198, 1442826, 1683297, 1836324, 2244396, 2885652, 3366594, 5049891, 6733188, 10099782, 20199564.
If you add them up, you will get the total of 66,648,960.