20199613140

素因数分解:

$2^2\times 3^8\times 5^1\times 7^1\times {\mathrm{21991}}^1$

素因数の和:22031

約数の個数: 216

約数和(自身を含む): 72718219392

約数和(自身を除く): 52518606252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1458, 1620, 1701, 1890, 2187, 2268, 2430, 2835, 2916, 3402, 3645, 3780, 4374, 4860, 5103, 5670, 6561, 6804, 7290, 8505, 8748, 10206, 10935, 11340, 13122, 14580, 15309, 17010, 20412, 21870, 21991, 25515, 26244, 30618, 32805, 34020, 43740, 43982, 45927, 51030, 61236, 65610, 65973, 76545, 87964, 91854, 102060, 109955, 131220, 131946, 153090, 153937, 183708, 197919, 219910, 229635, 263892, 306180, 307874, 329865, 395838, 439820, 459270, 461811, 593757, 615748, 659730, 769685, 791676, 918540, 923622, 989595, 1187514, 1319460, 1385433, 1539370, 1781271, 1847244, 1979190, 2309055, 2375028, 2770866, 2968785, 3078740, 3562542, 3958380, 4156299, 4618110, 5343813, 5541732, 5937570, 6927165, 7125084, 8312598, 8906355, 9236220, 10687626, 11875140, 12468897, 13854330, 16031439, 16625196, 17812710, 20781495, 21375252, 24937794, 26719065, 27708660, 32062878, 35625420, 37406691, 41562990, 48094317, 49875588, 53438130, 62344485, 64125756, 74813382, 80157195, 83125980, 96188634, 106876260, 112220073, 124688970, 144282951, 149626764, 160314390, 187033455, 192377268, 224440146, 240471585, 249377940, 288565902, 320628780, 336660219, 374066910, 448880292, 480943170, 561100365, 577131804, 673320438, 721414755, 748133820, 961886340, 1009980657, 1122200730, 1346640876, 1442829510, 1683301095, 2019961314, 2244401460, 2885659020, 3366602190, 4039922628, 5049903285, 6733204380, 10099806570, 20199613140]

約数ペア:

[(1, 20199613140), (2, 10099806570), (3, 6733204380), (4, 5049903285), (5, 4039922628), (6, 3366602190), (7, 2885659020), (9, 2244401460), (10, 2019961314), (12, 1683301095), (14, 1442829510), (15, 1346640876), (18, 1122200730), (20, 1009980657), (21, 961886340), (27, 748133820), (28, 721414755), (30, 673320438), (35, 577131804), (36, 561100365), (42, 480943170), (45, 448880292), (54, 374066910), (60, 336660219), (63, 320628780), (70, 288565902), (81, 249377940), (84, 240471585), (90, 224440146), (105, 192377268), (108, 187033455), (126, 160314390), (135, 149626764), (140, 144282951), (162, 124688970), (180, 112220073), (189, 106876260), (210, 96188634), (243, 83125980), (252, 80157195), (270, 74813382), (315, 64125756), (324, 62344485), (378, 53438130), (405, 49875588), (420, 48094317), (486, 41562990), (540, 37406691), (567, 35625420), (630, 32062878), (729, 27708660), (756, 26719065), (810, 24937794), (945, 21375252), (972, 20781495), (1134, 17812710), (1215, 16625196), (1260, 16031439), (1458, 13854330), (1620, 12468897), (1701, 11875140), (1890, 10687626), (2187, 9236220), (2268, 8906355), (2430, 8312598), (2835, 7125084), (2916, 6927165), (3402, 5937570), (3645, 5541732), (3780, 5343813), (4374, 4618110), (4860, 4156299), (5103, 3958380), (5670, 3562542), (6561, 3078740), (6804, 2968785), (7290, 2770866), (8505, 2375028), (8748, 2309055), (10206, 1979190), (10935, 1847244), (11340, 1781271), (13122, 1539370), (14580, 1385433), (15309, 1319460), (17010, 1187514), (20412, 989595), (21870, 923622), (21991, 918540), (25515, 791676), (26244, 769685), (30618, 659730), (32805, 615748), (34020, 593757), (43740, 461811), (43982, 459270), (45927, 439820), (51030, 395838), (61236, 329865), (65610, 307874), (65973, 306180), (76545, 263892), (87964, 229635), (91854, 219910), (102060, 197919), (109955, 183708), (131220, 153937), (131946, 153090)]