20785638384

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{28921}}^1$

素因数の和:28996

約数の個数: 240

約数和(自身を含む): 71611797504

約数和(自身を除く): 50826159120

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 31, 36, 42, 46, 48, 56, 62, 63, 69, 72, 84, 92, 93, 112, 124, 126, 138, 144, 161, 168, 184, 186, 207, 217, 248, 252, 276, 279, 322, 336, 368, 372, 414, 434, 483, 496, 504, 552, 558, 644, 651, 713, 744, 828, 868, 966, 1008, 1104, 1116, 1288, 1302, 1426, 1449, 1488, 1656, 1736, 1932, 1953, 2139, 2232, 2576, 2604, 2852, 2898, 3312, 3472, 3864, 3906, 4278, 4464, 4991, 5208, 5704, 5796, 6417, 7728, 7812, 8556, 9982, 10416, 11408, 11592, 12834, 14973, 15624, 17112, 19964, 23184, 25668, 28921, 29946, 31248, 34224, 39928, 44919, 51336, 57842, 59892, 79856, 86763, 89838, 102672, 115684, 119784, 173526, 179676, 202447, 231368, 239568, 260289, 347052, 359352, 404894, 462736, 520578, 607341, 665183, 694104, 718704, 809788, 896551, 1041156, 1214682, 1330366, 1388208, 1619576, 1793102, 1822023, 1995549, 2082312, 2429364, 2660732, 2689653, 3239152, 3586204, 3644046, 3991098, 4164624, 4656281, 4858728, 5321464, 5379306, 5986647, 6275857, 7172408, 7288092, 7982196, 8068959, 9312562, 9717456, 10642928, 10758612, 11973294, 12551714, 13968843, 14344816, 14576184, 15964392, 16137918, 18625124, 18827571, 20620673, 21517224, 23946588, 25103428, 27937686, 29152368, 31928784, 32275836, 37250248, 37655142, 41241346, 41906529, 43034448, 47893176, 50206856, 55875372, 56482713, 61862019, 64551672, 74500496, 75310284, 82482692, 83813058, 95786352, 100413712, 111750744, 112965426, 123724038, 129103344, 144344711, 150620568, 164965384, 167626116, 185586057, 223501488, 225930852, 247448076, 288689422, 301241136, 329930768, 335252232, 371172114, 433034133, 451861704, 494896152, 577378844, 670504464, 742344228, 866068266, 903723408, 989792304, 1154757688, 1299102399, 1484688456, 1732136532, 2309515376, 2598204798, 2969376912, 3464273064, 5196409596, 6928546128, 10392819192, 20785638384]

約数ペア:

[(1, 20785638384), (2, 10392819192), (3, 6928546128), (4, 5196409596), (6, 3464273064), (7, 2969376912), (8, 2598204798), (9, 2309515376), (12, 1732136532), (14, 1484688456), (16, 1299102399), (18, 1154757688), (21, 989792304), (23, 903723408), (24, 866068266), (28, 742344228), (31, 670504464), (36, 577378844), (42, 494896152), (46, 451861704), (48, 433034133), (56, 371172114), (62, 335252232), (63, 329930768), (69, 301241136), (72, 288689422), (84, 247448076), (92, 225930852), (93, 223501488), (112, 185586057), (124, 167626116), (126, 164965384), (138, 150620568), (144, 144344711), (161, 129103344), (168, 123724038), (184, 112965426), (186, 111750744), (207, 100413712), (217, 95786352), (248, 83813058), (252, 82482692), (276, 75310284), (279, 74500496), (322, 64551672), (336, 61862019), (368, 56482713), (372, 55875372), (414, 50206856), (434, 47893176), (483, 43034448), (496, 41906529), (504, 41241346), (552, 37655142), (558, 37250248), (644, 32275836), (651, 31928784), (713, 29152368), (744, 27937686), (828, 25103428), (868, 23946588), (966, 21517224), (1008, 20620673), (1104, 18827571), (1116, 18625124), (1288, 16137918), (1302, 15964392), (1426, 14576184), (1449, 14344816), (1488, 13968843), (1656, 12551714), (1736, 11973294), (1932, 10758612), (1953, 10642928), (2139, 9717456), (2232, 9312562), (2576, 8068959), (2604, 7982196), (2852, 7288092), (2898, 7172408), (3312, 6275857), (3472, 5986647), (3864, 5379306), (3906, 5321464), (4278, 4858728), (4464, 4656281), (4991, 4164624), (5208, 3991098), (5704, 3644046), (5796, 3586204), (6417, 3239152), (7728, 2689653), (7812, 2660732), (8556, 2429364), (9982, 2082312), (10416, 1995549), (11408, 1822023), (11592, 1793102), (12834, 1619576), (14973, 1388208), (15624, 1330366), (17112, 1214682), (19964, 1041156), (23184, 896551), (25668, 809788), (28921, 718704), (29946, 694104), (31248, 665183), (34224, 607341), (39928, 520578), (44919, 462736), (51336, 404894), (57842, 359352), (59892, 347052), (79856, 260289), (86763, 239568), (89838, 231368), (102672, 202447), (115684, 179676), (119784, 173526)]