20552221872

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 960

約数和(自身を含む): 80681502720

約数和(自身を除く): 60129280848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 19, 21, 23, 24, 26, 28, 36, 37, 38, 39, 42, 46, 48, 52, 56, 57, 63, 69, 72, 74, 76, 78, 84, 91, 92, 97, 104, 111, 112, 114, 117, 126, 133, 138, 144, 148, 152, 156, 161, 168, 171, 182, 184, 194, 207, 208, 222, 228, 234, 247, 252, 259, 266, 273, 276, 291, 296, 299, 304, 312, 322, 333, 336, 342, 364, 368, 388, 399, 414, 437, 444, 456, 468, 481, 483, 494, 504, 518, 532, 546, 552, 582, 592, 598, 624, 644, 666, 679, 684, 703, 728, 741, 776, 777, 798, 819, 828, 851, 873, 874, 888, 897, 912, 936, 962, 966, 988, 1008, 1036, 1064, 1092, 1104, 1164, 1196, 1197, 1261, 1288, 1311, 1332, 1358, 1368, 1406, 1443, 1449, 1456, 1482, 1552, 1554, 1596, 1638, 1656, 1702, 1729, 1746, 1748, 1776, 1794, 1843, 1872, 1924, 1932, 1976, 2037, 2072, 2093, 2109, 2128, 2184, 2223, 2231, 2328, 2331, 2392, 2394, 2522, 2553, 2576, 2622, 2664, 2691, 2716, 2736, 2812, 2886, 2898, 2964, 3059, 3108, 3192, 3276, 3312, 3367, 3404, 3458, 3492, 3496, 3588, 3589, 3686, 3783, 3848, 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約数ペア:

[(1, 20552221872), (2, 10276110936), (3, 6850740624), (4, 5138055468), (6, 3425370312), (7, 2936031696), (8, 2569027734), (9, 2283580208), (12, 1712685156), (13, 1580940144), (14, 1468015848), (16, 1284513867), (18, 1141790104), (19, 1081695888), (21, 978677232), (23, 893574864), (24, 856342578), (26, 790470072), (28, 734007924), (36, 570895052), (37, 555465456), (38, 540847944), (39, 526980048), (42, 489338616), (46, 446787432), (48, 428171289), (52, 395235036), (56, 367003962), (57, 360565296), (63, 326225744), (69, 297858288), (72, 285447526), (74, 277732728), (76, 270423972), (78, 263490024), (84, 244669308), (91, 225848592), (92, 223393716), (97, 211878576), (104, 197617518), (111, 185155152), (112, 183501981), (114, 180282648), (117, 175660016), (126, 163112872), (133, 154527984), (138, 148929144), (144, 142723763), (148, 138866364), (152, 135211986), (156, 131745012), (161, 127653552), (168, 122334654), (171, 120188432), (182, 112924296), (184, 111696858), (194, 105939288), 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(116109, 177008), (118104, 174018), (119301, 172272), (121212, 169556), (122544, 167713), (124488, 165094), (124936, 164502), (127167, 161616), (127946, 160632), (129204, 159068), (129352, 158886), (132696, 154882), (132756, 154812), (136344, 150738), (136382, 150696), (139971, 146832), (140553, 146224), (141232, 145521), (142968, 143754)]