20281536

素因数分解:

$2^6\times 3^3\times {\mathrm{11}}^2\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 168

約数和(自身を含む): 66212720

約数和(自身を除く): 45931184

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 88, 96, 97, 99, 108, 121, 132, 144, 176, 192, 194, 198, 216, 242, 264, 288, 291, 297, 352, 363, 388, 396, 432, 484, 528, 576, 582, 594, 704, 726, 776, 792, 864, 873, 968, 1056, 1067, 1089, 1164, 1188, 1452, 1552, 1584, 1728, 1746, 1936, 2112, 2134, 2178, 2328, 2376, 2619, 2904, 3104, 3168, 3201, 3267, 3492, 3872, 4268, 4356, 4656, 4752, 5238, 5808, 6208, 6336, 6402, 6534, 6984, 7744, 8536, 8712, 9312, 9504, 9603, 10476, 11616, 11737, 12804, 13068, 13968, 17072, 17424, 18624, 19008, 19206, 20952, 23232, 23474, 25608, 26136, 27936, 28809, 34144, 34848, 35211, 38412, 41904, 46948, 51216, 52272, 55872, 57618, 68288, 69696, 70422, 76824, 83808, 93896, 102432, 104544, 105633, 115236, 140844, 153648, 167616, 187792, 204864, 209088, 211266, 230472, 281688, 307296, 316899, 375584, 422532, 460944, 563376, 614592, 633798, 751168, 845064, 921888, 1126752, 1267596, 1690128, 1843776, 2253504, 2535192, 3380256, 5070384, 6760512, 10140768, 20281536]

約数ペア:

[(1, 20281536), (2, 10140768), (3, 6760512), (4, 5070384), (6, 3380256), (8, 2535192), (9, 2253504), (11, 1843776), (12, 1690128), (16, 1267596), (18, 1126752), (22, 921888), (24, 845064), (27, 751168), (32, 633798), (33, 614592), (36, 563376), (44, 460944), (48, 422532), (54, 375584), (64, 316899), (66, 307296), (72, 281688), (88, 230472), (96, 211266), (97, 209088), (99, 204864), (108, 187792), (121, 167616), (132, 153648), (144, 140844), (176, 115236), (192, 105633), (194, 104544), (198, 102432), (216, 93896), (242, 83808), (264, 76824), (288, 70422), (291, 69696), (297, 68288), (352, 57618), (363, 55872), (388, 52272), (396, 51216), (432, 46948), (484, 41904), (528, 38412), (576, 35211), (582, 34848), (594, 34144), (704, 28809), (726, 27936), (776, 26136), (792, 25608), (864, 23474), (873, 23232), (968, 20952), (1056, 19206), (1067, 19008), (1089, 18624), (1164, 17424), (1188, 17072), (1452, 13968), (1552, 13068), (1584, 12804), (1728, 11737), (1746, 11616), (1936, 10476), (2112, 9603), (2134, 9504), (2178, 9312), (2328, 8712), (2376, 8536), (2619, 7744), (2904, 6984), (3104, 6534), (3168, 6402), (3201, 6336), (3267, 6208), (3492, 5808), (3872, 5238), (4268, 4752), (4356, 4656)]