20404656

素因数分解:

$2^4\times 3^3\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:483

約数の個数: 80

約数和(自身を含む): 59148000

約数和(自身を除く): 38743344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 149, 216, 298, 317, 432, 447, 596, 634, 894, 951, 1192, 1268, 1341, 1788, 1902, 2384, 2536, 2682, 2853, 3576, 3804, 4023, 5072, 5364, 5706, 7152, 7608, 8046, 8559, 10728, 11412, 15216, 16092, 17118, 21456, 22824, 32184, 34236, 45648, 47233, 64368, 68472, 94466, 136944, 141699, 188932, 283398, 377864, 425097, 566796, 755728, 850194, 1133592, 1275291, 1700388, 2267184, 2550582, 3400776, 5101164, 6801552, 10202328, 20404656]

約数ペア:

[(1, 20404656), (2, 10202328), (3, 6801552), (4, 5101164), (6, 3400776), (8, 2550582), (9, 2267184), (12, 1700388), (16, 1275291), (18, 1133592), (24, 850194), (27, 755728), (36, 566796), (48, 425097), (54, 377864), (72, 283398), (108, 188932), (144, 141699), (149, 136944), (216, 94466), (298, 68472), (317, 64368), (432, 47233), (447, 45648), (596, 34236), (634, 32184), (894, 22824), (951, 21456), (1192, 17118), (1268, 16092), (1341, 15216), (1788, 11412), (1902, 10728), (2384, 8559), (2536, 8046), (2682, 7608), (2853, 7152), (3576, 5706), (3804, 5364), (4023, 5072)]