20903610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 192

約数和(自身を含む): 67461120

約数和(自身を除く): 46557510

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 31, 35, 38, 39, 42, 57, 62, 65, 70, 78, 91, 93, 95, 105, 114, 130, 133, 155, 169, 182, 186, 190, 195, 210, 217, 247, 266, 273, 285, 310, 338, 390, 399, 403, 434, 455, 465, 494, 507, 546, 570, 589, 651, 665, 741, 798, 806, 845, 910, 930, 1014, 1085, 1178, 1183, 1209, 1235, 1302, 1330, 1365, 1482, 1690, 1729, 1767, 1995, 2015, 2170, 2366, 2418, 2470, 2535, 2730, 2821, 2945, 3211, 3255, 3458, 3534, 3549, 3705, 3990, 4030, 4123, 5070, 5187, 5239, 5642, 5890, 5915, 6045, 6422, 6510, 7098, 7410, 7657, 8246, 8463, 8645, 8835, 9633, 10374, 10478, 11830, 12090, 12369, 14105, 15314, 15717, 16055, 16926, 17290, 17670, 17745, 19266, 20615, 22477, 22971, 24738, 25935, 26195, 28210, 31434, 32110, 35490, 36673, 38285, 41230, 42315, 44954, 45942, 48165, 51870, 52390, 53599, 61845, 67431, 73346, 76570, 78585, 84630, 96330, 99541, 107198, 110019, 112385, 114855, 123690, 134862, 157170, 160797, 183365, 199082, 220038, 224770, 229710, 267995, 298623, 321594, 337155, 366730, 497705, 535990, 550095, 597246, 674310, 696787, 803985, 995410, 1100190, 1393574, 1493115, 1607970, 2090361, 2986230, 3483935, 4180722, 6967870, 10451805, 20903610]

約数ペア:

[(1, 20903610), (2, 10451805), (3, 6967870), (5, 4180722), (6, 3483935), (7, 2986230), (10, 2090361), (13, 1607970), (14, 1493115), (15, 1393574), (19, 1100190), (21, 995410), (26, 803985), (30, 696787), (31, 674310), (35, 597246), (38, 550095), (39, 535990), (42, 497705), (57, 366730), (62, 337155), (65, 321594), (70, 298623), (78, 267995), (91, 229710), (93, 224770), (95, 220038), (105, 199082), (114, 183365), (130, 160797), (133, 157170), (155, 134862), (169, 123690), (182, 114855), (186, 112385), (190, 110019), (195, 107198), (210, 99541), (217, 96330), (247, 84630), (266, 78585), (273, 76570), (285, 73346), (310, 67431), (338, 61845), (390, 53599), (399, 52390), (403, 51870), (434, 48165), (455, 45942), (465, 44954), (494, 42315), (507, 41230), (546, 38285), (570, 36673), (589, 35490), (651, 32110), (665, 31434), (741, 28210), (798, 26195), (806, 25935), (845, 24738), (910, 22971), (930, 22477), (1014, 20615), (1085, 19266), (1178, 17745), (1183, 17670), (1209, 17290), (1235, 16926), (1302, 16055), (1330, 15717), (1365, 15314), (1482, 14105), (1690, 12369), (1729, 12090), (1767, 11830), (1995, 10478), (2015, 10374), (2170, 9633), (2366, 8835), (2418, 8645), (2470, 8463), (2535, 8246), (2730, 7657), (2821, 7410), (2945, 7098), (3211, 6510), (3255, 6422), (3458, 6045), (3534, 5915), (3549, 5890), (3705, 5642), (3990, 5239), (4030, 5187), (4123, 5070)]