20409859890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1\times {\mathrm{619}}^1$

素因数の和:1101

約数の個数: 192

約数和(自身を含む): 61281792000

約数和(自身を除く): 40871932110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 199, 210, 263, 315, 398, 526, 597, 619, 630, 789, 995, 1194, 1238, 1315, 1393, 1578, 1791, 1841, 1857, 1990, 2367, 2630, 2786, 2985, 3095, 3582, 3682, 3714, 3945, 4179, 4333, 4734, 5523, 5571, 5970, 6190, 6965, 7890, 8358, 8666, 8955, 9205, 9285, 11046, 11142, 11835, 12537, 12999, 13930, 16569, 17910, 18410, 18570, 20895, 21665, 23670, 25074, 25998, 27615, 27855, 33138, 38997, 41790, 43330, 52337, 55230, 55710, 62685, 64995, 77994, 82845, 104674, 123181, 125370, 129990, 157011, 162797, 165690, 194985, 246362, 261685, 314022, 325594, 366359, 369543, 389970, 471033, 488391, 523370, 615905, 732718, 739086, 785055, 813985, 862267, 942066, 976782, 1099077, 1108629, 1139579, 1231810, 1465173, 1570110, 1627970, 1724534, 1831795, 1847715, 2198154, 2217258, 2279158, 2355165, 2441955, 2586801, 2930346, 3297231, 3418737, 3663590, 3695430, 4311335, 4710330, 4883910, 5173602, 5495385, 5543145, 5697895, 6594462, 6837474, 7325865, 7760403, 8622670, 10256211, 10990770, 11086290, 11395790, 12934005, 14651730, 15520806, 16486155, 17093685, 20512422, 25868010, 32396603, 32972310, 34187370, 38802015, 51281055, 64793206, 77604030, 97189809, 102562110, 161983015, 194379618, 226776221, 291569427, 323966030, 453552442, 485949045, 583138854, 680328663, 971898090, 1133881105, 1360657326, 1457847135, 2040985989, 2267762210, 2915694270, 3401643315, 4081971978, 6803286630, 10204929945, 20409859890]

約数ペア:

[(1, 20409859890), (2, 10204929945), (3, 6803286630), (5, 4081971978), (6, 3401643315), (7, 2915694270), (9, 2267762210), (10, 2040985989), (14, 1457847135), (15, 1360657326), (18, 1133881105), (21, 971898090), (30, 680328663), (35, 583138854), (42, 485949045), (45, 453552442), (63, 323966030), (70, 291569427), (90, 226776221), (105, 194379618), (126, 161983015), (199, 102562110), (210, 97189809), (263, 77604030), (315, 64793206), (398, 51281055), (526, 38802015), (597, 34187370), (619, 32972310), (630, 32396603), (789, 25868010), (995, 20512422), (1194, 17093685), (1238, 16486155), (1315, 15520806), (1393, 14651730), (1578, 12934005), (1791, 11395790), (1841, 11086290), (1857, 10990770), (1990, 10256211), (2367, 8622670), (2630, 7760403), (2786, 7325865), (2985, 6837474), (3095, 6594462), (3582, 5697895), (3682, 5543145), (3714, 5495385), (3945, 5173602), (4179, 4883910), (4333, 4710330), (4734, 4311335), (5523, 3695430), (5571, 3663590), (5970, 3418737), (6190, 3297231), (6965, 2930346), (7890, 2586801), (8358, 2441955), (8666, 2355165), (8955, 2279158), (9205, 2217258), (9285, 2198154), (11046, 1847715), (11142, 1831795), (11835, 1724534), (12537, 1627970), (12999, 1570110), (13930, 1465173), (16569, 1231810), (17910, 1139579), (18410, 1108629), (18570, 1099077), (20895, 976782), (21665, 942066), (23670, 862267), (25074, 813985), (25998, 785055), (27615, 739086), (27855, 732718), (33138, 615905), (38997, 523370), (41790, 488391), (43330, 471033), (52337, 389970), (55230, 369543), (55710, 366359), (62685, 325594), (64995, 314022), (77994, 261685), (82845, 246362), (104674, 194985), (123181, 165690), (125370, 162797), (129990, 157011)]