20178177456

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1\times {\mathrm{6761}}^1$

素因数の和:7510

約数の個数: 80

約数和(自身を含む): 52754311008

約数和(自身を除く): 32576133552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 641, 776, 1164, 1282, 1552, 1923, 2328, 2564, 3846, 4656, 5128, 6761, 7692, 10256, 13522, 15384, 20283, 27044, 30768, 40566, 54088, 62177, 81132, 108176, 124354, 162264, 186531, 248708, 324528, 373062, 497416, 655817, 746124, 994832, 1311634, 1492248, 1967451, 2623268, 2984496, 3934902, 4333801, 5246536, 7869804, 8667602, 10493072, 13001403, 15739608, 17335204, 26002806, 31479216, 34670408, 52005612, 69340816, 104011224, 208022448, 420378697, 840757394, 1261136091, 1681514788, 2522272182, 3363029576, 5044544364, 6726059152, 10089088728, 20178177456]

約数ペア:

[(1, 20178177456), (2, 10089088728), (3, 6726059152), (4, 5044544364), (6, 3363029576), (8, 2522272182), (12, 1681514788), (16, 1261136091), (24, 840757394), (48, 420378697), (97, 208022448), (194, 104011224), (291, 69340816), (388, 52005612), (582, 34670408), (641, 31479216), (776, 26002806), (1164, 17335204), (1282, 15739608), (1552, 13001403), (1923, 10493072), (2328, 8667602), (2564, 7869804), (3846, 5246536), (4656, 4333801), (5128, 3934902), (6761, 2984496), (7692, 2623268), (10256, 1967451), (13522, 1492248), (15384, 1311634), (20283, 994832), (27044, 746124), (30768, 655817), (40566, 497416), (54088, 373062), (62177, 324528), (81132, 248708), (108176, 186531), (124354, 162264)]