20947536

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 120

約数和(自身を含む): 63835200

約数和(自身を除く): 42887664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 43, 48, 51, 68, 72, 86, 102, 129, 136, 144, 153, 172, 199, 204, 258, 272, 306, 344, 387, 398, 408, 516, 597, 612, 688, 731, 774, 796, 816, 1032, 1194, 1224, 1462, 1548, 1592, 1791, 2064, 2193, 2388, 2448, 2924, 3096, 3184, 3383, 3582, 4386, 4776, 5848, 6192, 6579, 6766, 7164, 8557, 8772, 9552, 10149, 11696, 13158, 13532, 14328, 17114, 17544, 20298, 25671, 26316, 27064, 28656, 30447, 34228, 35088, 40596, 51342, 52632, 54128, 60894, 68456, 77013, 81192, 102684, 105264, 121788, 136912, 145469, 154026, 162384, 205368, 243576, 290938, 308052, 410736, 436407, 487152, 581876, 616104, 872814, 1163752, 1232208, 1309221, 1745628, 2327504, 2618442, 3491256, 5236884, 6982512, 10473768, 20947536]

約数ペア:

[(1, 20947536), (2, 10473768), (3, 6982512), (4, 5236884), (6, 3491256), (8, 2618442), (9, 2327504), (12, 1745628), (16, 1309221), (17, 1232208), (18, 1163752), (24, 872814), (34, 616104), (36, 581876), (43, 487152), (48, 436407), (51, 410736), (68, 308052), (72, 290938), (86, 243576), (102, 205368), (129, 162384), (136, 154026), (144, 145469), (153, 136912), (172, 121788), (199, 105264), (204, 102684), (258, 81192), (272, 77013), (306, 68456), (344, 60894), (387, 54128), (398, 52632), (408, 51342), (516, 40596), (597, 35088), (612, 34228), (688, 30447), (731, 28656), (774, 27064), (796, 26316), (816, 25671), (1032, 20298), (1194, 17544), (1224, 17114), (1462, 14328), (1548, 13532), (1592, 13158), (1791, 11696), (2064, 10149), (2193, 9552), (2388, 8772), (2448, 8557), (2924, 7164), (3096, 6766), (3184, 6579), (3383, 6192), (3582, 5848), (4386, 4776)]