20365488

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 240

約数和(自身を含む): 71495424

約数和(自身を除く): 51129936

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 23, 24, 26, 33, 36, 39, 43, 44, 46, 48, 52, 66, 69, 72, 78, 86, 88, 92, 99, 104, 117, 129, 132, 138, 143, 144, 156, 172, 176, 184, 198, 207, 208, 234, 253, 258, 264, 276, 286, 299, 312, 344, 368, 387, 396, 414, 429, 468, 473, 506, 516, 528, 552, 559, 572, 598, 624, 688, 759, 774, 792, 828, 858, 897, 936, 946, 989, 1012, 1032, 1104, 1118, 1144, 1196, 1287, 1419, 1518, 1548, 1584, 1656, 1677, 1716, 1794, 1872, 1892, 1978, 2024, 2064, 2236, 2277, 2288, 2392, 2574, 2691, 2838, 2967, 3036, 3096, 3289, 3312, 3354, 3432, 3588, 3784, 3956, 4048, 4257, 4472, 4554, 4784, 5031, 5148, 5382, 5676, 5934, 6072, 6149, 6192, 6578, 6708, 6864, 7176, 7568, 7912, 8514, 8901, 8944, 9108, 9867, 10062, 10296, 10764, 10879, 11352, 11868, 12144, 12298, 12857, 13156, 13416, 14352, 15824, 17028, 17802, 18216, 18447, 19734, 20124, 20592, 21528, 21758, 22704, 23736, 24596, 25714, 26312, 26832, 29601, 32637, 34056, 35604, 36432, 36894, 38571, 39468, 40248, 43056, 43516, 47472, 49192, 51428, 52624, 55341, 59202, 65274, 68112, 71208, 73788, 77142, 78936, 80496, 87032, 97911, 98384, 102856, 110682, 115713, 118404, 130548, 141427, 142416, 147576, 154284, 157872, 174064, 195822, 205712, 221364, 231426, 236808, 261096, 282854, 295152, 308568, 391644, 424281, 442728, 462852, 473616, 522192, 565708, 617136, 783288, 848562, 885456, 925704, 1131416, 1272843, 1566576, 1697124, 1851408, 2262832, 2545686, 3394248, 5091372, 6788496, 10182744, 20365488]

約数ペア:

[(1, 20365488), (2, 10182744), (3, 6788496), (4, 5091372), (6, 3394248), (8, 2545686), (9, 2262832), (11, 1851408), (12, 1697124), (13, 1566576), (16, 1272843), (18, 1131416), (22, 925704), (23, 885456), (24, 848562), (26, 783288), (33, 617136), (36, 565708), (39, 522192), (43, 473616), (44, 462852), (46, 442728), (48, 424281), (52, 391644), (66, 308568), (69, 295152), (72, 282854), (78, 261096), (86, 236808), (88, 231426), (92, 221364), (99, 205712), (104, 195822), (117, 174064), (129, 157872), (132, 154284), (138, 147576), (143, 142416), (144, 141427), (156, 130548), (172, 118404), (176, 115713), (184, 110682), (198, 102856), (207, 98384), (208, 97911), (234, 87032), (253, 80496), (258, 78936), (264, 77142), (276, 73788), (286, 71208), (299, 68112), (312, 65274), (344, 59202), (368, 55341), (387, 52624), (396, 51428), (414, 49192), (429, 47472), (468, 43516), (473, 43056), (506, 40248), (516, 39468), (528, 38571), (552, 36894), (559, 36432), (572, 35604), (598, 34056), (624, 32637), (688, 29601), (759, 26832), (774, 26312), (792, 25714), (828, 24596), (858, 23736), (897, 22704), (936, 21758), (946, 21528), (989, 20592), (1012, 20124), (1032, 19734), (1104, 18447), (1118, 18216), (1144, 17802), (1196, 17028), (1287, 15824), (1419, 14352), (1518, 13416), (1548, 13156), (1584, 12857), (1656, 12298), (1677, 12144), (1716, 11868), (1794, 11352), (1872, 10879), (1892, 10764), (1978, 10296), (2024, 10062), (2064, 9867), (2236, 9108), (2277, 8944), (2288, 8901), (2392, 8514), (2574, 7912), (2691, 7568), (2838, 7176), (2967, 6864), (3036, 6708), (3096, 6578), (3289, 6192), (3312, 6149), (3354, 6072), (3432, 5934), (3588, 5676), (3784, 5382), (3956, 5148), (4048, 5031), (4257, 4784), (4472, 4554)]