20195521920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{500881}}^1$

素因数の和:500913

約数の個数: 192

約数和(自身を含む): 79700343840

約数和(自身を除く): 59504821920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 500881, 1001762, 1502643, 2003524, 2504405, 3005286, 3506167, 4007048, 4507929, 5008810, 6010572, 7012334, 7513215, 8014096, 9015858, 10017620, 10518501, 12021144, 14024668, 15026430, 16028192, 17530835, 18031716, 20035240, 21037002, 22539645, 24042288, 28049336, 30052860, 31555503, 32056384, 35061670, 36063432, 40070480, 42074004, 45079290, 48084576, 52592505, 56098672, 60105720, 63111006, 64112768, 70123340, 72126864, 80140960, 84148008, 90158580, 96169152, 105185010, 112197344, 120211440, 126222012, 140246680, 144253728, 157777515, 160281920, 168296016, 180317160, 192338304, 210370020, 224394688, 240422880, 252444024, 280493360, 288507456, 315555030, 320563840, 336592032, 360634320, 420740040, 448789376, 480845760, 504888048, 560986720, 577014912, 631110060, 673184064, 721268640, 841480080, 961691520, 1009776096, 1121973440, 1262220120, 1346368128, 1442537280, 1682960160, 2019552192, 2243946880, 2524440240, 2885074560, 3365920320, 4039104384, 5048880480, 6731840640, 10097760960, 20195521920]

約数ペア:

[(1, 20195521920), (2, 10097760960), (3, 6731840640), (4, 5048880480), (5, 4039104384), (6, 3365920320), (7, 2885074560), (8, 2524440240), (9, 2243946880), (10, 2019552192), (12, 1682960160), (14, 1442537280), (15, 1346368128), (16, 1262220120), (18, 1121973440), (20, 1009776096), (21, 961691520), (24, 841480080), (28, 721268640), (30, 673184064), (32, 631110060), (35, 577014912), (36, 560986720), (40, 504888048), (42, 480845760), (45, 448789376), (48, 420740040), (56, 360634320), (60, 336592032), (63, 320563840), (64, 315555030), (70, 288507456), (72, 280493360), (80, 252444024), (84, 240422880), (90, 224394688), (96, 210370020), (105, 192338304), (112, 180317160), (120, 168296016), (126, 160281920), (128, 157777515), (140, 144253728), (144, 140246680), (160, 126222012), (168, 120211440), (180, 112197344), (192, 105185010), (210, 96169152), (224, 90158580), (240, 84148008), (252, 80140960), (280, 72126864), (288, 70123340), (315, 64112768), (320, 63111006), (336, 60105720), (360, 56098672), (384, 52592505), (420, 48084576), (448, 45079290), (480, 42074004), (504, 40070480), (560, 36063432), (576, 35061670), (630, 32056384), (640, 31555503), (672, 30052860), (720, 28049336), (840, 24042288), (896, 22539645), (960, 21037002), (1008, 20035240), (1120, 18031716), (1152, 17530835), (1260, 16028192), (1344, 15026430), (1440, 14024668), (1680, 12021144), (1920, 10518501), (2016, 10017620), (2240, 9015858), (2520, 8014096), (2688, 7513215), (2880, 7012334), (3360, 6010572), (4032, 5008810), (4480, 4507929), (5040, 4007048), (5760, 3506167), (6720, 3005286), (8064, 2504405), (10080, 2003524), (13440, 1502643), (20160, 1001762), (40320, 500881)]