20589240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 71516160

約数和(自身を除く): 50926920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 193, 210, 254, 280, 381, 386, 420, 508, 579, 635, 762, 772, 840, 889, 965, 1016, 1158, 1270, 1351, 1524, 1544, 1778, 1905, 1930, 2316, 2540, 2667, 2702, 2895, 3048, 3556, 3810, 3860, 4053, 4445, 4632, 5080, 5334, 5404, 5790, 6755, 7112, 7620, 7720, 8106, 8890, 10668, 10808, 11580, 13335, 13510, 15240, 16212, 17780, 20265, 21336, 23160, 24511, 26670, 27020, 32424, 35560, 40530, 49022, 53340, 54040, 73533, 81060, 98044, 106680, 122555, 147066, 162120, 171577, 196088, 245110, 294132, 343154, 367665, 490220, 514731, 588264, 686308, 735330, 857885, 980440, 1029462, 1372616, 1470660, 1715770, 2058924, 2573655, 2941320, 3431540, 4117848, 5147310, 6863080, 10294620, 20589240]

約数ペア:

[(1, 20589240), (2, 10294620), (3, 6863080), (4, 5147310), (5, 4117848), (6, 3431540), (7, 2941320), (8, 2573655), (10, 2058924), (12, 1715770), (14, 1470660), (15, 1372616), (20, 1029462), (21, 980440), (24, 857885), (28, 735330), (30, 686308), (35, 588264), (40, 514731), (42, 490220), (56, 367665), (60, 343154), (70, 294132), (84, 245110), (105, 196088), (120, 171577), (127, 162120), (140, 147066), (168, 122555), (193, 106680), (210, 98044), (254, 81060), (280, 73533), (381, 54040), (386, 53340), (420, 49022), (508, 40530), (579, 35560), (635, 32424), (762, 27020), (772, 26670), (840, 24511), (889, 23160), (965, 21336), (1016, 20265), (1158, 17780), (1270, 16212), (1351, 15240), (1524, 13510), (1544, 13335), (1778, 11580), (1905, 10808), (1930, 10668), (2316, 8890), (2540, 8106), (2667, 7720), (2702, 7620), (2895, 7112), (3048, 6755), (3556, 5790), (3810, 5404), (3860, 5334), (4053, 5080), (4445, 4632)]