20408939712

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{1687247}}^1$

素因数の和:1687275

約数の個数: 112

約数和(自身を含む): 68569758720

約数和(自身を除く): 48160819008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 672, 756, 864, 1008, 1344, 1512, 1728, 2016, 3024, 4032, 6048, 12096, 1687247, 3374494, 5061741, 6748988, 10123482, 11810729, 13497976, 15185223, 20246964, 23621458, 26995952, 30370446, 35432187, 40493928, 45555669, 47242916, 53991904, 60740892, 70864374, 80987856, 91111338, 94485832, 106296561, 107983808, 121481784, 141728748, 161975712, 182222676, 188971664, 212593122, 242963568, 283457496, 318889683, 323951424, 364445352, 377943328, 425186244, 485927136, 566914992, 637779366, 728890704, 755886656, 850372488, 971854272, 1133829984, 1275558732, 1457781408, 1700744976, 2267659968, 2551117464, 2915562816, 3401489952, 5102234928, 6802979904, 10204469856, 20408939712]

約数ペア:

[(1, 20408939712), (2, 10204469856), (3, 6802979904), (4, 5102234928), (6, 3401489952), (7, 2915562816), (8, 2551117464), (9, 2267659968), (12, 1700744976), (14, 1457781408), (16, 1275558732), (18, 1133829984), (21, 971854272), (24, 850372488), (27, 755886656), (28, 728890704), (32, 637779366), (36, 566914992), (42, 485927136), (48, 425186244), (54, 377943328), (56, 364445352), (63, 323951424), (64, 318889683), (72, 283457496), (84, 242963568), (96, 212593122), (108, 188971664), (112, 182222676), (126, 161975712), (144, 141728748), (168, 121481784), (189, 107983808), (192, 106296561), (216, 94485832), (224, 91111338), (252, 80987856), (288, 70864374), (336, 60740892), (378, 53991904), (432, 47242916), (448, 45555669), (504, 40493928), (576, 35432187), (672, 30370446), (756, 26995952), (864, 23621458), (1008, 20246964), (1344, 15185223), (1512, 13497976), (1728, 11810729), (2016, 10123482), (3024, 6748988), (4032, 5061741), (6048, 3374494), (12096, 1687247)]