20201109712

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:537

約数の個数: 160

約数和(自身を含む): 46461026304

約数和(自身を除く): 26259916592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 83, 112, 127, 142, 166, 241, 254, 284, 332, 482, 497, 508, 568, 581, 664, 889, 964, 994, 1016, 1136, 1162, 1328, 1687, 1778, 1928, 1988, 2032, 2324, 3374, 3556, 3856, 3976, 4648, 5893, 6748, 7112, 7952, 9017, 9296, 10541, 11786, 13496, 14224, 17111, 18034, 20003, 21082, 23572, 26992, 30607, 34222, 36068, 40006, 41251, 42164, 47144, 61214, 63119, 68444, 72136, 73787, 80012, 82502, 84328, 94288, 119777, 122428, 126238, 136888, 140021, 144272, 147574, 160024, 165004, 168656, 214249, 239554, 244856, 252476, 273776, 280042, 295148, 320048, 330008, 428498, 479108, 489712, 504952, 560084, 590296, 660016, 748411, 856996, 958216, 1009904, 1120168, 1180592, 1420213, 1496822, 1713992, 1916432, 2173097, 2240336, 2540381, 2840426, 2993644, 3427984, 4346194, 5080762, 5238877, 5680852, 5987288, 8692388, 9941491, 10161524, 10477754, 11361704, 11974576, 15211679, 17384776, 17782667, 19882982, 20323048, 20955508, 22723408, 30423358, 34769552, 35565334, 39765964, 40646096, 41911016, 60846716, 71130668, 79531928, 83822032, 121693432, 142261336, 159063856, 180367051, 243386864, 284522672, 360734102, 721468204, 1262569357, 1442936408, 2525138714, 2885872816, 5050277428, 10100554856, 20201109712]

約数ペア:

[(1, 20201109712), (2, 10100554856), (4, 5050277428), (7, 2885872816), (8, 2525138714), (14, 1442936408), (16, 1262569357), (28, 721468204), (56, 360734102), (71, 284522672), (83, 243386864), (112, 180367051), (127, 159063856), (142, 142261336), (166, 121693432), (241, 83822032), (254, 79531928), (284, 71130668), (332, 60846716), (482, 41911016), (497, 40646096), (508, 39765964), (568, 35565334), (581, 34769552), (664, 30423358), (889, 22723408), (964, 20955508), (994, 20323048), (1016, 19882982), (1136, 17782667), (1162, 17384776), (1328, 15211679), (1687, 11974576), (1778, 11361704), (1928, 10477754), (1988, 10161524), (2032, 9941491), (2324, 8692388), (3374, 5987288), (3556, 5680852), (3856, 5238877), (3976, 5080762), (4648, 4346194), (5893, 3427984), (6748, 2993644), (7112, 2840426), (7952, 2540381), (9017, 2240336), (9296, 2173097), (10541, 1916432), (11786, 1713992), (13496, 1496822), (14224, 1420213), (17111, 1180592), (18034, 1120168), (20003, 1009904), (21082, 958216), (23572, 856996), (26992, 748411), (30607, 660016), (34222, 590296), (36068, 560084), (40006, 504952), (41251, 489712), (42164, 479108), (47144, 428498), (61214, 330008), (63119, 320048), (68444, 295148), (72136, 280042), (73787, 273776), (80012, 252476), (82502, 244856), (84328, 239554), (94288, 214249), (119777, 168656), (122428, 165004), (126238, 160024), (136888, 147574), (140021, 144272)]