20289096

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 40190904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 41, 54, 58, 72, 79, 82, 87, 108, 116, 123, 158, 164, 174, 216, 232, 237, 246, 261, 316, 328, 348, 369, 474, 492, 522, 632, 696, 711, 738, 783, 948, 984, 1044, 1107, 1189, 1422, 1476, 1566, 1896, 2088, 2133, 2214, 2291, 2378, 2844, 2952, 3132, 3239, 3567, 4266, 4428, 4582, 4756, 5688, 6264, 6478, 6873, 7134, 8532, 8856, 9164, 9512, 9717, 10701, 12956, 13746, 14268, 17064, 18328, 19434, 20619, 21402, 25912, 27492, 28536, 29151, 32103, 38868, 41238, 42804, 54984, 58302, 61857, 64206, 77736, 82476, 85608, 87453, 93931, 116604, 123714, 128412, 164952, 174906, 187862, 233208, 247428, 256824, 281793, 349812, 375724, 494856, 563586, 699624, 751448, 845379, 1127172, 1690758, 2254344, 2536137, 3381516, 5072274, 6763032, 10144548, 20289096]

約数ペア:

[(1, 20289096), (2, 10144548), (3, 6763032), (4, 5072274), (6, 3381516), (8, 2536137), (9, 2254344), (12, 1690758), (18, 1127172), (24, 845379), (27, 751448), (29, 699624), (36, 563586), (41, 494856), (54, 375724), (58, 349812), (72, 281793), (79, 256824), (82, 247428), (87, 233208), (108, 187862), (116, 174906), (123, 164952), (158, 128412), (164, 123714), (174, 116604), (216, 93931), (232, 87453), (237, 85608), (246, 82476), (261, 77736), (316, 64206), (328, 61857), (348, 58302), (369, 54984), (474, 42804), (492, 41238), (522, 38868), (632, 32103), (696, 29151), (711, 28536), (738, 27492), (783, 25912), (948, 21402), (984, 20619), (1044, 19434), (1107, 18328), (1189, 17064), (1422, 14268), (1476, 13746), (1566, 12956), (1896, 10701), (2088, 9717), (2133, 9512), (2214, 9164), (2291, 8856), (2378, 8532), (2844, 7134), (2952, 6873), (3132, 6478), (3239, 6264), (3567, 5688), (4266, 4756), (4428, 4582)]