20681232

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 45314544

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 23, 24, 26, 33, 39, 44, 46, 48, 52, 66, 69, 78, 88, 92, 104, 131, 132, 138, 143, 156, 176, 184, 208, 253, 262, 264, 276, 286, 299, 312, 368, 393, 429, 506, 524, 528, 552, 572, 598, 624, 759, 786, 858, 897, 1012, 1048, 1104, 1144, 1196, 1441, 1518, 1572, 1703, 1716, 1794, 2024, 2096, 2288, 2392, 2882, 3013, 3036, 3144, 3289, 3406, 3432, 3588, 4048, 4323, 4784, 5109, 5764, 6026, 6072, 6288, 6578, 6812, 6864, 7176, 8646, 9039, 9867, 10218, 11528, 12052, 12144, 13156, 13624, 14352, 17292, 18078, 18733, 19734, 20436, 23056, 24104, 26312, 27248, 33143, 34584, 36156, 37466, 39169, 39468, 40872, 48208, 52624, 56199, 66286, 69168, 72312, 74932, 78338, 78936, 81744, 99429, 112398, 117507, 132572, 144624, 149864, 156676, 157872, 198858, 224796, 235014, 265144, 299728, 313352, 397716, 430859, 449592, 470028, 530288, 626704, 795432, 861718, 899184, 940056, 1292577, 1590864, 1723436, 1880112, 2585154, 3446872, 5170308, 6893744, 10340616, 20681232]

約数ペア:

[(1, 20681232), (2, 10340616), (3, 6893744), (4, 5170308), (6, 3446872), (8, 2585154), (11, 1880112), (12, 1723436), (13, 1590864), (16, 1292577), (22, 940056), (23, 899184), (24, 861718), (26, 795432), (33, 626704), (39, 530288), (44, 470028), (46, 449592), (48, 430859), (52, 397716), (66, 313352), (69, 299728), (78, 265144), (88, 235014), (92, 224796), (104, 198858), (131, 157872), (132, 156676), (138, 149864), (143, 144624), (156, 132572), (176, 117507), (184, 112398), (208, 99429), (253, 81744), (262, 78936), (264, 78338), (276, 74932), (286, 72312), (299, 69168), (312, 66286), (368, 56199), (393, 52624), (429, 48208), (506, 40872), (524, 39468), (528, 39169), (552, 37466), (572, 36156), (598, 34584), (624, 33143), (759, 27248), (786, 26312), (858, 24104), (897, 23056), (1012, 20436), (1048, 19734), (1104, 18733), (1144, 18078), (1196, 17292), (1441, 14352), (1518, 13624), (1572, 13156), (1703, 12144), (1716, 12052), (1794, 11528), (2024, 10218), (2096, 9867), (2288, 9039), (2392, 8646), (2882, 7176), (3013, 6864), (3036, 6812), (3144, 6578), (3289, 6288), (3406, 6072), (3432, 6026), (3588, 5764), (4048, 5109), (4323, 4784)]