20516117440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22727}}^1$

素因数の和:22795

約数の個数: 224

約数和(自身を含む): 62070349824

約数和(自身を除く): 41554232384

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 520, 560, 620, 728, 806, 832, 868, 910, 992, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1820, 1984, 2015, 2080, 2170, 2240, 2480, 2821, 2912, 3224, 3472, 3640, 4030, 4160, 4340, 4960, 5642, 5824, 6448, 6944, 7280, 8060, 8680, 9920, 11284, 12896, 13888, 14105, 14560, 16120, 17360, 22568, 22727, 25792, 28210, 29120, 32240, 34720, 45136, 45454, 56420, 64480, 69440, 90272, 90908, 112840, 113635, 128960, 159089, 180544, 181816, 225680, 227270, 295451, 318178, 363632, 451360, 454540, 590902, 636356, 704537, 727264, 795445, 902720, 909080, 1181804, 1272712, 1409074, 1454528, 1477255, 1590890, 1818160, 2068157, 2363608, 2545424, 2818148, 2954510, 3181780, 3522685, 3636320, 4136314, 4727216, 4931759, 5090848, 5636296, 5909020, 6363560, 7045370, 7272640, 8272628, 9158981, 9454432, 9863518, 10181696, 10340785, 11272592, 11818040, 12727120, 14090740, 16545256, 18317962, 18908864, 19727036, 20681570, 22545184, 23636080, 24658795, 25454240, 28181480, 33090512, 36635924, 39454072, 41363140, 45090368, 45794905, 47272160, 49317590, 50908480, 56362960, 64112867, 66181024, 73271848, 78908144, 82726280, 91589810, 94544320, 98635180, 112725920, 128225734, 132362048, 146543696, 157816288, 165452560, 183179620, 197270360, 225451840, 256451468, 293087392, 315632576, 320564335, 330905120, 366359240, 394540720, 512902936, 586174784, 641128670, 661810240, 732718480, 789081440, 1025805872, 1282257340, 1465436960, 1578162880, 2051611744, 2564514680, 2930873920, 4103223488, 5129029360, 10258058720, 20516117440]

約数ペア:

[(1, 20516117440), (2, 10258058720), (4, 5129029360), (5, 4103223488), (7, 2930873920), (8, 2564514680), (10, 2051611744), (13, 1578162880), (14, 1465436960), (16, 1282257340), (20, 1025805872), (26, 789081440), (28, 732718480), (31, 661810240), (32, 641128670), (35, 586174784), (40, 512902936), (52, 394540720), (56, 366359240), (62, 330905120), (64, 320564335), (65, 315632576), (70, 293087392), (80, 256451468), (91, 225451840), (104, 197270360), (112, 183179620), (124, 165452560), (130, 157816288), (140, 146543696), (155, 132362048), (160, 128225734), (182, 112725920), (208, 98635180), (217, 94544320), (224, 91589810), (248, 82726280), (260, 78908144), (280, 73271848), (310, 66181024), (320, 64112867), (364, 56362960), (403, 50908480), (416, 49317590), (434, 47272160), (448, 45794905), (455, 45090368), (496, 41363140), (520, 39454072), (560, 36635924), (620, 33090512), (728, 28181480), (806, 25454240), (832, 24658795), (868, 23636080), (910, 22545184), (992, 20681570), (1040, 19727036), (1085, 18908864), (1120, 18317962), (1240, 16545256), (1456, 14090740), (1612, 12727120), (1736, 11818040), (1820, 11272592), (1984, 10340785), (2015, 10181696), (2080, 9863518), (2170, 9454432), (2240, 9158981), (2480, 8272628), (2821, 7272640), (2912, 7045370), (3224, 6363560), (3472, 5909020), (3640, 5636296), (4030, 5090848), (4160, 4931759), (4340, 4727216), (4960, 4136314), (5642, 3636320), (5824, 3522685), (6448, 3181780), (6944, 2954510), (7280, 2818148), (8060, 2545424), (8680, 2363608), (9920, 2068157), (11284, 1818160), (12896, 1590890), (13888, 1477255), (14105, 1454528), (14560, 1409074), (16120, 1272712), (17360, 1181804), (22568, 909080), (22727, 902720), (25792, 795445), (28210, 727264), (29120, 704537), (32240, 636356), (34720, 590902), (45136, 454540), (45454, 451360), (56420, 363632), (64480, 318178), (69440, 295451), (90272, 227270), (90908, 225680), (112840, 181816), (113635, 180544), (128960, 159089)]