20804256

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^2\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 67032000

約数和(自身を除く): 46227744

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 88, 96, 99, 108, 121, 132, 144, 176, 198, 199, 216, 242, 264, 288, 297, 352, 363, 396, 398, 432, 484, 528, 594, 597, 726, 792, 796, 864, 968, 1056, 1089, 1188, 1194, 1452, 1584, 1592, 1791, 1936, 2178, 2189, 2376, 2388, 2904, 3168, 3184, 3267, 3582, 3872, 4356, 4378, 4752, 4776, 5373, 5808, 6368, 6534, 6567, 7164, 8712, 8756, 9504, 9552, 10746, 11616, 13068, 13134, 14328, 17424, 17512, 19104, 19701, 21492, 24079, 26136, 26268, 28656, 34848, 35024, 39402, 42984, 48158, 52272, 52536, 57312, 59103, 70048, 72237, 78804, 85968, 96316, 104544, 105072, 118206, 144474, 157608, 171936, 192632, 210144, 216711, 236412, 288948, 315216, 385264, 433422, 472824, 577896, 630432, 650133, 770528, 866844, 945648, 1155792, 1300266, 1733688, 1891296, 2311584, 2600532, 3467376, 5201064, 6934752, 10402128, 20804256]

約数ペア:

[(1, 20804256), (2, 10402128), (3, 6934752), (4, 5201064), (6, 3467376), (8, 2600532), (9, 2311584), (11, 1891296), (12, 1733688), (16, 1300266), (18, 1155792), (22, 945648), (24, 866844), (27, 770528), (32, 650133), (33, 630432), (36, 577896), (44, 472824), (48, 433422), (54, 385264), (66, 315216), (72, 288948), (88, 236412), (96, 216711), (99, 210144), (108, 192632), (121, 171936), (132, 157608), (144, 144474), (176, 118206), (198, 105072), (199, 104544), (216, 96316), (242, 85968), (264, 78804), (288, 72237), (297, 70048), (352, 59103), (363, 57312), (396, 52536), (398, 52272), (432, 48158), (484, 42984), (528, 39402), (594, 35024), (597, 34848), (726, 28656), (792, 26268), (796, 26136), (864, 24079), (968, 21492), (1056, 19701), (1089, 19104), (1188, 17512), (1194, 17424), (1452, 14328), (1584, 13134), (1592, 13068), (1791, 11616), (1936, 10746), (2178, 9552), (2189, 9504), (2376, 8756), (2388, 8712), (2904, 7164), (3168, 6567), (3184, 6534), (3267, 6368), (3582, 5808), (3872, 5373), (4356, 4776), (4378, 4752)]