20576227680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{460937}}^1$

素因数の和:460989

約数の個数: 144

約数和(自身を含む): 72481578624

約数和(自身を除く): 51905350944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 7440, 8928, 11160, 14880, 22320, 44640, 460937, 921874, 1382811, 1843748, 2304685, 2765622, 3687496, 4148433, 4609370, 5531244, 6914055, 7374992, 8296866, 9218740, 11062488, 13828110, 14289047, 14749984, 16593732, 18437480, 20742165, 22124976, 27656220, 28578094, 33187464, 36874960, 41484330, 42867141, 44249952, 55312440, 57156188, 66374928, 71445235, 73749920, 82968660, 85734282, 110624880, 114312376, 128601423, 132749856, 142890470, 165937320, 171468564, 214335705, 221249760, 228624752, 257202846, 285780940, 331874640, 342937128, 428671410, 457249504, 514405692, 571561880, 643007115, 663749280, 685874256, 857342820, 1028811384, 1143123760, 1286014230, 1371748512, 1714685640, 2057622768, 2286247520, 2572028460, 3429371280, 4115245536, 5144056920, 6858742560, 10288113840, 20576227680]

約数ペア:

[(1, 20576227680), (2, 10288113840), (3, 6858742560), (4, 5144056920), (5, 4115245536), (6, 3429371280), (8, 2572028460), (9, 2286247520), (10, 2057622768), (12, 1714685640), (15, 1371748512), (16, 1286014230), (18, 1143123760), (20, 1028811384), (24, 857342820), (30, 685874256), (31, 663749280), (32, 643007115), (36, 571561880), (40, 514405692), (45, 457249504), (48, 428671410), (60, 342937128), (62, 331874640), (72, 285780940), (80, 257202846), (90, 228624752), (93, 221249760), (96, 214335705), (120, 171468564), (124, 165937320), (144, 142890470), (155, 132749856), (160, 128601423), (180, 114312376), (186, 110624880), (240, 85734282), (248, 82968660), (279, 73749920), (288, 71445235), (310, 66374928), (360, 57156188), (372, 55312440), (465, 44249952), (480, 42867141), (496, 41484330), (558, 36874960), (620, 33187464), (720, 28578094), (744, 27656220), (930, 22124976), (992, 20742165), (1116, 18437480), (1240, 16593732), (1395, 14749984), (1440, 14289047), (1488, 13828110), (1860, 11062488), (2232, 9218740), (2480, 8296866), (2790, 7374992), (2976, 6914055), (3720, 5531244), (4464, 4609370), (4960, 4148433), (5580, 3687496), (7440, 2765622), (8928, 2304685), (11160, 1843748), (14880, 1382811), (22320, 921874), (44640, 460937)]