20794988368

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{80761}}^1$

素因数の和:80817

約数の個数: 120

約数和(自身を含む): 53277076160

約数和(自身を除く): 32482087792

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 121, 133, 152, 154, 176, 209, 242, 266, 304, 308, 418, 484, 532, 616, 836, 847, 968, 1064, 1232, 1463, 1672, 1694, 1936, 2128, 2299, 2926, 3344, 3388, 4598, 5852, 6776, 9196, 11704, 13552, 16093, 18392, 23408, 32186, 36784, 64372, 80761, 128744, 161522, 257488, 323044, 565327, 646088, 888371, 1130654, 1292176, 1534459, 1776742, 2261308, 3068918, 3553484, 4522616, 6137836, 6218597, 7106968, 9045232, 9772081, 10741213, 12275672, 12437194, 14213936, 16879049, 19544162, 21482426, 24551344, 24874388, 33758098, 39088324, 42964852, 49748776, 67516196, 68404567, 78176648, 85929704, 99497552, 118153343, 135032392, 136809134, 156353296, 171859408, 185669539, 236306686, 270064784, 273618268, 371339078, 472613372, 547236536, 742678156, 945226744, 1094473072, 1299686773, 1485356312, 1890453488, 2599373546, 2970712624, 5198747092, 10397494184, 20794988368]

約数ペア:

[(1, 20794988368), (2, 10397494184), (4, 5198747092), (7, 2970712624), (8, 2599373546), (11, 1890453488), (14, 1485356312), (16, 1299686773), (19, 1094473072), (22, 945226744), (28, 742678156), (38, 547236536), (44, 472613372), (56, 371339078), (76, 273618268), (77, 270064784), (88, 236306686), (112, 185669539), (121, 171859408), (133, 156353296), (152, 136809134), (154, 135032392), (176, 118153343), (209, 99497552), (242, 85929704), (266, 78176648), (304, 68404567), (308, 67516196), (418, 49748776), (484, 42964852), (532, 39088324), (616, 33758098), (836, 24874388), (847, 24551344), (968, 21482426), (1064, 19544162), (1232, 16879049), (1463, 14213936), (1672, 12437194), (1694, 12275672), (1936, 10741213), (2128, 9772081), (2299, 9045232), (2926, 7106968), (3344, 6218597), (3388, 6137836), (4598, 4522616), (5852, 3553484), (6776, 3068918), (9196, 2261308), (11704, 1776742), (13552, 1534459), (16093, 1292176), (18392, 1130654), (23408, 888371), (32186, 646088), (36784, 565327), (64372, 323044), (80761, 257488), (128744, 161522)]