20163340638

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1\times {\mathrm{727}}^1$

素因数の和:1291

約数の個数: 128

約数和(自身を含む): 51661209600

約数和(自身を除く): 31497868962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 239, 307, 378, 478, 614, 717, 727, 921, 1434, 1454, 1673, 1842, 2149, 2151, 2181, 2763, 3346, 4298, 4302, 4362, 5019, 5089, 5526, 6447, 6453, 6543, 8289, 10038, 10178, 12894, 12906, 13086, 15057, 15267, 16578, 19341, 19629, 30114, 30534, 38682, 39258, 45171, 45801, 58023, 73373, 90342, 91602, 116046, 137403, 146746, 173753, 220119, 223189, 274806, 347506, 440238, 446378, 513611, 521259, 660357, 669567, 1027222, 1042518, 1216271, 1320714, 1339134, 1540833, 1562323, 1563777, 1981071, 2008701, 2432542, 3081666, 3124646, 3127554, 3648813, 3962142, 4017402, 4622499, 4686969, 4691331, 6026103, 7297626, 9244998, 9373938, 9382662, 10946439, 12052206, 13867497, 14060907, 21892878, 27734994, 28121814, 32839317, 42182721, 53342171, 65678634, 84365442, 106684342, 160026513, 320053026, 373395197, 480079539, 746790394, 960159078, 1120185591, 1440238617, 2240371182, 2880477234, 3360556773, 6721113546, 10081670319, 20163340638]

約数ペア:

[(1, 20163340638), (2, 10081670319), (3, 6721113546), (6, 3360556773), (7, 2880477234), (9, 2240371182), (14, 1440238617), (18, 1120185591), (21, 960159078), (27, 746790394), (42, 480079539), (54, 373395197), (63, 320053026), (126, 160026513), (189, 106684342), (239, 84365442), (307, 65678634), (378, 53342171), (478, 42182721), (614, 32839317), (717, 28121814), (727, 27734994), (921, 21892878), (1434, 14060907), (1454, 13867497), (1673, 12052206), (1842, 10946439), (2149, 9382662), (2151, 9373938), (2181, 9244998), (2763, 7297626), (3346, 6026103), (4298, 4691331), (4302, 4686969), (4362, 4622499), (5019, 4017402), (5089, 3962142), (5526, 3648813), (6447, 3127554), (6453, 3124646), (6543, 3081666), (8289, 2432542), (10038, 2008701), (10178, 1981071), (12894, 1563777), (12906, 1562323), (13086, 1540833), (15057, 1339134), (15267, 1320714), (16578, 1216271), (19341, 1042518), (19629, 1027222), (30114, 669567), (30534, 660357), (38682, 521259), (39258, 513611), (45171, 446378), (45801, 440238), (58023, 347506), (73373, 274806), (90342, 223189), (91602, 220119), (116046, 173753), (137403, 146746)]