20996352

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:736

約数の個数: 108

約数和(自身を含む): 65287404

約数和(自身を除く): 44291052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 701, 768, 832, 936, 1152, 1248, 1402, 1664, 1872, 2103, 2304, 2496, 2804, 3328, 3744, 4206, 4992, 5608, 6309, 7488, 8412, 9113, 9984, 11216, 12618, 14976, 16824, 18226, 22432, 25236, 27339, 29952, 33648, 36452, 44864, 50472, 54678, 67296, 72904, 82017, 89728, 100944, 109356, 134592, 145808, 164034, 179456, 201888, 218712, 269184, 291616, 328068, 403776, 437424, 538368, 583232, 656136, 807552, 874848, 1166464, 1312272, 1615104, 1749696, 2332928, 2624544, 3499392, 5249088, 6998784, 10498176, 20996352]

約数ペア:

[(1, 20996352), (2, 10498176), (3, 6998784), (4, 5249088), (6, 3499392), (8, 2624544), (9, 2332928), (12, 1749696), (13, 1615104), (16, 1312272), (18, 1166464), (24, 874848), (26, 807552), (32, 656136), (36, 583232), (39, 538368), (48, 437424), (52, 403776), (64, 328068), (72, 291616), (78, 269184), (96, 218712), (104, 201888), (117, 179456), (128, 164034), (144, 145808), (156, 134592), (192, 109356), (208, 100944), (234, 89728), (256, 82017), (288, 72904), (312, 67296), (384, 54678), (416, 50472), (468, 44864), (576, 36452), (624, 33648), (701, 29952), (768, 27339), (832, 25236), (936, 22432), (1152, 18226), (1248, 16824), (1402, 14976), (1664, 12618), (1872, 11216), (2103, 9984), (2304, 9113), (2496, 8412), (2804, 7488), (3328, 6309), (3744, 5608), (4206, 4992)]