20261665872

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{709}}^1\times {\mathrm{28351}}^1$

素因数の和:29081

約数の個数: 120

約数和(自身を含む): 64898862080

約数和(自身を除く): 44637196208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 709, 1008, 1418, 2127, 2836, 4254, 4963, 5672, 6381, 8508, 9926, 11344, 12762, 14889, 17016, 19852, 25524, 28351, 29778, 34032, 39704, 44667, 51048, 56702, 59556, 79408, 85053, 89334, 102096, 113404, 119112, 170106, 178668, 198457, 226808, 238224, 255159, 340212, 357336, 396914, 453616, 510318, 595371, 680424, 714672, 793828, 1020636, 1190742, 1360848, 1587656, 1786113, 2041272, 2381484, 3175312, 3572226, 4082544, 4762968, 7144452, 9525936, 14288904, 20100859, 28577808, 40201718, 60302577, 80403436, 120605154, 140706013, 160806872, 180907731, 241210308, 281412026, 321613744, 361815462, 422118039, 482420616, 562824052, 723630924, 844236078, 964841232, 1125648104, 1266354117, 1447261848, 1688472156, 2251296208, 2532708234, 2894523696, 3376944312, 5065416468, 6753888624, 10130832936, 20261665872]

約数ペア:

[(1, 20261665872), (2, 10130832936), (3, 6753888624), (4, 5065416468), (6, 3376944312), (7, 2894523696), (8, 2532708234), (9, 2251296208), (12, 1688472156), (14, 1447261848), (16, 1266354117), (18, 1125648104), (21, 964841232), (24, 844236078), (28, 723630924), (36, 562824052), (42, 482420616), (48, 422118039), (56, 361815462), (63, 321613744), (72, 281412026), (84, 241210308), (112, 180907731), (126, 160806872), (144, 140706013), (168, 120605154), (252, 80403436), (336, 60302577), (504, 40201718), (709, 28577808), (1008, 20100859), (1418, 14288904), (2127, 9525936), (2836, 7144452), (4254, 4762968), (4963, 4082544), (5672, 3572226), (6381, 3175312), (8508, 2381484), (9926, 2041272), (11344, 1786113), (12762, 1587656), (14889, 1360848), (17016, 1190742), (19852, 1020636), (25524, 793828), (28351, 714672), (29778, 680424), (34032, 595371), (39704, 510318), (44667, 453616), (51048, 396914), (56702, 357336), (59556, 340212), (79408, 255159), (85053, 238224), (89334, 226808), (102096, 198457), (113404, 178668), (119112, 170106)]