20109180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 72253440

約数和(自身を除く): 52144260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 29, 30, 35, 39, 42, 52, 58, 60, 65, 70, 78, 84, 87, 91, 105, 116, 127, 130, 140, 145, 156, 174, 182, 195, 203, 210, 254, 260, 273, 290, 348, 364, 377, 381, 390, 406, 420, 435, 455, 508, 546, 580, 609, 635, 754, 762, 780, 812, 870, 889, 910, 1015, 1092, 1131, 1218, 1270, 1365, 1508, 1524, 1651, 1740, 1778, 1820, 1885, 1905, 2030, 2262, 2436, 2540, 2639, 2667, 2730, 3045, 3302, 3556, 3683, 3770, 3810, 4060, 4445, 4524, 4953, 5278, 5334, 5460, 5655, 6090, 6604, 7366, 7540, 7620, 7917, 8255, 8890, 9906, 10556, 10668, 11049, 11310, 11557, 12180, 13195, 13335, 14732, 15834, 16510, 17780, 18415, 19812, 22098, 22620, 23114, 24765, 25781, 26390, 26670, 31668, 33020, 34671, 36830, 39585, 44196, 46228, 47879, 49530, 51562, 52780, 53340, 55245, 57785, 69342, 73660, 77343, 79170, 95758, 99060, 103124, 110490, 115570, 128905, 138684, 143637, 154686, 158340, 173355, 191516, 220980, 231140, 239395, 257810, 287274, 309372, 335153, 346710, 386715, 478790, 515620, 574548, 670306, 693420, 718185, 773430, 957580, 1005459, 1340612, 1436370, 1546860, 1675765, 2010918, 2872740, 3351530, 4021836, 5027295, 6703060, 10054590, 20109180]

約数ペア:

[(1, 20109180), (2, 10054590), (3, 6703060), (4, 5027295), (5, 4021836), (6, 3351530), (7, 2872740), (10, 2010918), (12, 1675765), (13, 1546860), (14, 1436370), (15, 1340612), (20, 1005459), (21, 957580), (26, 773430), (28, 718185), (29, 693420), (30, 670306), (35, 574548), (39, 515620), (42, 478790), (52, 386715), (58, 346710), (60, 335153), (65, 309372), (70, 287274), (78, 257810), (84, 239395), (87, 231140), (91, 220980), (105, 191516), (116, 173355), (127, 158340), (130, 154686), (140, 143637), (145, 138684), (156, 128905), (174, 115570), (182, 110490), (195, 103124), (203, 99060), (210, 95758), (254, 79170), (260, 77343), (273, 73660), (290, 69342), (348, 57785), (364, 55245), (377, 53340), (381, 52780), (390, 51562), (406, 49530), (420, 47879), (435, 46228), (455, 44196), (508, 39585), (546, 36830), (580, 34671), (609, 33020), (635, 31668), (754, 26670), (762, 26390), (780, 25781), (812, 24765), (870, 23114), (889, 22620), (910, 22098), (1015, 19812), (1092, 18415), (1131, 17780), (1218, 16510), (1270, 15834), (1365, 14732), (1508, 13335), (1524, 13195), (1651, 12180), (1740, 11557), (1778, 11310), (1820, 11049), (1885, 10668), (1905, 10556), (2030, 9906), (2262, 8890), (2436, 8255), (2540, 7917), (2639, 7620), (2667, 7540), (2730, 7366), (3045, 6604), (3302, 6090), (3556, 5655), (3683, 5460), (3770, 5334), (3810, 5278), (4060, 4953), (4445, 4524)]