20784132432

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{499}}^1\times {\mathrm{5903}}^1$

素因数の和:6430

約数の個数: 180

約数和(自身を含む): 67810392000

約数和(自身を除く): 47026259568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 499, 504, 588, 784, 882, 998, 1008, 1176, 1497, 1764, 1996, 2352, 2994, 3493, 3528, 3992, 4491, 5903, 5988, 6986, 7056, 7984, 8982, 10479, 11806, 11976, 13972, 17709, 17964, 20958, 23612, 23952, 24451, 27944, 31437, 35418, 35928, 41321, 41916, 47224, 48902, 53127, 55888, 62874, 70836, 71856, 73353, 82642, 83832, 94448, 97804, 106254, 123963, 125748, 141672, 146706, 165284, 167664, 195608, 212508, 220059, 247926, 251496, 283344, 289247, 293412, 330568, 371889, 391216, 425016, 440118, 495852, 502992, 578494, 586824, 661136, 743778, 850032, 867741, 880236, 991704, 1156988, 1173648, 1487556, 1735482, 1760472, 1983408, 2313976, 2603223, 2945597, 2975112, 3470964, 3520944, 4627952, 5206446, 5891194, 5950224, 6941928, 8836791, 10412892, 11782388, 13883856, 17673582, 20619179, 20825784, 23564776, 26510373, 35347164, 41238358, 41651568, 47129552, 53020746, 61857537, 70694328, 82476716, 106041492, 123715074, 141388656, 144334253, 164953432, 185572611, 212082984, 247430148, 288668506, 329906864, 371145222, 424165968, 433002759, 494860296, 577337012, 742290444, 866005518, 989720592, 1154674024, 1299008277, 1484580888, 1732011036, 2309348048, 2598016554, 2969161776, 3464022072, 5196033108, 6928044144, 10392066216, 20784132432]

約数ペア:

[(1, 20784132432), (2, 10392066216), (3, 6928044144), (4, 5196033108), (6, 3464022072), (7, 2969161776), (8, 2598016554), (9, 2309348048), (12, 1732011036), (14, 1484580888), (16, 1299008277), (18, 1154674024), (21, 989720592), (24, 866005518), (28, 742290444), (36, 577337012), (42, 494860296), (48, 433002759), (49, 424165968), (56, 371145222), (63, 329906864), (72, 288668506), (84, 247430148), (98, 212082984), (112, 185572611), (126, 164953432), (144, 144334253), (147, 141388656), (168, 123715074), (196, 106041492), (252, 82476716), (294, 70694328), (336, 61857537), (392, 53020746), (441, 47129552), (499, 41651568), (504, 41238358), (588, 35347164), (784, 26510373), (882, 23564776), (998, 20825784), (1008, 20619179), (1176, 17673582), (1497, 13883856), (1764, 11782388), (1996, 10412892), (2352, 8836791), (2994, 6941928), (3493, 5950224), (3528, 5891194), (3992, 5206446), (4491, 4627952), (5903, 3520944), (5988, 3470964), (6986, 2975112), (7056, 2945597), (7984, 2603223), (8982, 2313976), (10479, 1983408), (11806, 1760472), (11976, 1735482), (13972, 1487556), (17709, 1173648), (17964, 1156988), (20958, 991704), (23612, 880236), (23952, 867741), (24451, 850032), (27944, 743778), (31437, 661136), (35418, 586824), (35928, 578494), (41321, 502992), (41916, 495852), (47224, 440118), (48902, 425016), (53127, 391216), (55888, 371889), (62874, 330568), (70836, 293412), (71856, 289247), (73353, 283344), (82642, 251496), (83832, 247926), (94448, 220059), (97804, 212508), (106254, 195608), (123963, 167664), (125748, 165284), (141672, 146706)]