20704320

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:122

約数の個数: 336

約数和(自身を含む): 88757760

約数和(自身を除く): 68053440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 64, 65, 70, 72, 78, 79, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 158, 160, 168, 180, 182, 192, 195, 208, 210, 224, 234, 237, 240, 252, 260, 273, 280, 288, 312, 315, 316, 320, 336, 360, 364, 390, 395, 416, 420, 448, 455, 468, 474, 480, 504, 520, 546, 553, 560, 576, 585, 624, 630, 632, 672, 711, 720, 728, 780, 790, 819, 832, 840, 910, 936, 948, 960, 1008, 1027, 1040, 1092, 1106, 1120, 1170, 1185, 1248, 1260, 1264, 1344, 1365, 1422, 1440, 1456, 1560, 1580, 1638, 1659, 1680, 1820, 1872, 1896, 2016, 2054, 2080, 2184, 2212, 2240, 2340, 2370, 2496, 2520, 2528, 2730, 2765, 2844, 2880, 2912, 3081, 3120, 3160, 3276, 3318, 3360, 3555, 3640, 3744, 3792, 4032, 4095, 4108, 4160, 4368, 4424, 4680, 4740, 4977, 5040, 5056, 5135, 5460, 5530, 5688, 5824, 6162, 6240, 6320, 6552, 6636, 6720, 7110, 7189, 7280, 7488, 7584, 8190, 8216, 8295, 8736, 8848, 9243, 9360, 9480, 9954, 10080, 10270, 10920, 11060, 11376, 12324, 12480, 12640, 13104, 13272, 14220, 14378, 14560, 15168, 15405, 16380, 16432, 16590, 17472, 17696, 18486, 18720, 18960, 19908, 20160, 20540, 21567, 21840, 22120, 22752, 24648, 24885, 25280, 26208, 26544, 28440, 28756, 29120, 30810, 32760, 32864, 33180, 35392, 35945, 36972, 37440, 37920, 39816, 41080, 43134, 43680, 44240, 45504, 46215, 49296, 49770, 52416, 53088, 56880, 57512, 61620, 64701, 65520, 65728, 66360, 71890, 73944, 75840, 79632, 82160, 86268, 87360, 88480, 92430, 98592, 99540, 106176, 107835, 113760, 115024, 123240, 129402, 131040, 132720, 143780, 147888, 159264, 164320, 172536, 176960, 184860, 197184, 199080, 215670, 227520, 230048, 246480, 258804, 262080, 265440, 287560, 295776, 318528, 323505, 328640, 345072, 369720, 398160, 431340, 460096, 492960, 517608, 530880, 575120, 591552, 647010, 690144, 739440, 796320, 862680, 985920, 1035216, 1150240, 1294020, 1380288, 1478880, 1592640, 1725360, 2070432, 2300480, 2588040, 2957760, 3450720, 4140864, 5176080, 6901440, 10352160, 20704320]

約数ペア:

[(1, 20704320), (2, 10352160), (3, 6901440), (4, 5176080), (5, 4140864), (6, 3450720), (7, 2957760), (8, 2588040), (9, 2300480), (10, 2070432), (12, 1725360), (13, 1592640), (14, 1478880), (15, 1380288), (16, 1294020), (18, 1150240), (20, 1035216), (21, 985920), (24, 862680), (26, 796320), (28, 739440), (30, 690144), (32, 647010), (35, 591552), (36, 575120), (39, 530880), (40, 517608), (42, 492960), (45, 460096), (48, 431340), (52, 398160), (56, 369720), (60, 345072), (63, 328640), (64, 323505), (65, 318528), (70, 295776), (72, 287560), (78, 265440), (79, 262080), (80, 258804), (84, 246480), (90, 230048), (91, 227520), (96, 215670), (104, 199080), (105, 197184), (112, 184860), (117, 176960), (120, 172536), (126, 164320), (130, 159264), (140, 147888), (144, 143780), (156, 132720), (158, 131040), (160, 129402), (168, 123240), (180, 115024), (182, 113760), (192, 107835), (195, 106176), (208, 99540), (210, 98592), (224, 92430), (234, 88480), (237, 87360), (240, 86268), (252, 82160), (260, 79632), (273, 75840), (280, 73944), (288, 71890), (312, 66360), (315, 65728), (316, 65520), (320, 64701), (336, 61620), (360, 57512), (364, 56880), (390, 53088), (395, 52416), (416, 49770), (420, 49296), (448, 46215), (455, 45504), (468, 44240), (474, 43680), (480, 43134), (504, 41080), (520, 39816), (546, 37920), (553, 37440), (560, 36972), (576, 35945), (585, 35392), (624, 33180), (630, 32864), (632, 32760), (672, 30810), (711, 29120), (720, 28756), (728, 28440), (780, 26544), (790, 26208), (819, 25280), (832, 24885), (840, 24648), (910, 22752), (936, 22120), (948, 21840), (960, 21567), (1008, 20540), (1027, 20160), (1040, 19908), (1092, 18960), (1106, 18720), (1120, 18486), (1170, 17696), (1185, 17472), (1248, 16590), (1260, 16432), (1264, 16380), (1344, 15405), (1365, 15168), (1422, 14560), (1440, 14378), (1456, 14220), (1560, 13272), (1580, 13104), (1638, 12640), (1659, 12480), (1680, 12324), (1820, 11376), (1872, 11060), (1896, 10920), (2016, 10270), (2054, 10080), (2080, 9954), (2184, 9480), (2212, 9360), (2240, 9243), (2340, 8848), (2370, 8736), (2496, 8295), (2520, 8216), (2528, 8190), (2730, 7584), (2765, 7488), (2844, 7280), (2880, 7189), (2912, 7110), (3081, 6720), (3120, 6636), (3160, 6552), (3276, 6320), (3318, 6240), (3360, 6162), (3555, 5824), (3640, 5688), (3744, 5530), (3792, 5460), (4032, 5135), (4095, 5056), (4108, 5040), (4160, 4977), (4368, 4740), (4424, 4680)]