20781433872

素因数分解:

$2^4\times 3^7\times {\mathrm{29}}^1\times {\mathrm{20479}}^1$

素因数の和:20537

約数の個数: 160

約数和(自身を含む): 62472192000

約数和(自身を除く): 41690758128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 72, 81, 87, 108, 116, 144, 162, 174, 216, 232, 243, 261, 324, 348, 432, 464, 486, 522, 648, 696, 729, 783, 972, 1044, 1296, 1392, 1458, 1566, 1944, 2088, 2187, 2349, 2916, 3132, 3888, 4176, 4374, 4698, 5832, 6264, 7047, 8748, 9396, 11664, 12528, 14094, 17496, 18792, 20479, 21141, 28188, 34992, 37584, 40958, 42282, 56376, 61437, 63423, 81916, 84564, 112752, 122874, 126846, 163832, 169128, 184311, 245748, 253692, 327664, 338256, 368622, 491496, 507384, 552933, 593891, 737244, 982992, 1014768, 1105866, 1187782, 1474488, 1658799, 1781673, 2211732, 2375564, 2948976, 3317598, 3563346, 4423464, 4751128, 4976397, 5345019, 6635196, 7126692, 8846928, 9502256, 9952794, 10690038, 13270392, 14253384, 14929191, 16035057, 19905588, 21380076, 26540784, 28506768, 29858382, 32070114, 39811176, 42760152, 44787573, 48105171, 59716764, 64140228, 79622352, 85520304, 89575146, 96210342, 119433528, 128280456, 144315513, 179150292, 192420684, 238867056, 256560912, 288631026, 358300584, 384841368, 432946539, 577262052, 716601168, 769682736, 865893078, 1154524104, 1298839617, 1731786156, 2309048208, 2597679234, 3463572312, 5195358468, 6927144624, 10390716936, 20781433872]

約数ペア:

[(1, 20781433872), (2, 10390716936), (3, 6927144624), (4, 5195358468), (6, 3463572312), (8, 2597679234), (9, 2309048208), (12, 1731786156), (16, 1298839617), (18, 1154524104), (24, 865893078), (27, 769682736), (29, 716601168), (36, 577262052), (48, 432946539), (54, 384841368), (58, 358300584), (72, 288631026), (81, 256560912), (87, 238867056), (108, 192420684), (116, 179150292), (144, 144315513), (162, 128280456), (174, 119433528), (216, 96210342), (232, 89575146), (243, 85520304), (261, 79622352), (324, 64140228), (348, 59716764), (432, 48105171), (464, 44787573), (486, 42760152), (522, 39811176), (648, 32070114), (696, 29858382), (729, 28506768), (783, 26540784), (972, 21380076), (1044, 19905588), (1296, 16035057), (1392, 14929191), (1458, 14253384), (1566, 13270392), (1944, 10690038), (2088, 9952794), (2187, 9502256), (2349, 8846928), (2916, 7126692), (3132, 6635196), (3888, 5345019), (4176, 4976397), (4374, 4751128), (4698, 4423464), (5832, 3563346), (6264, 3317598), (7047, 2948976), (8748, 2375564), (9396, 2211732), (11664, 1781673), (12528, 1658799), (14094, 1474488), (17496, 1187782), (18792, 1105866), (20479, 1014768), (21141, 982992), (28188, 737244), (34992, 593891), (37584, 552933), (40958, 507384), (42282, 491496), (56376, 368622), (61437, 338256), (63423, 327664), (81916, 253692), (84564, 245748), (112752, 184311), (122874, 169128), (126846, 163832)]