20775216

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 180

約数和(自身を含む): 69563256

約数和(自身を除く): 48788040

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 49, 56, 66, 73, 77, 84, 88, 98, 112, 121, 132, 146, 147, 154, 168, 176, 196, 219, 231, 242, 264, 292, 294, 308, 336, 363, 392, 438, 462, 484, 511, 528, 539, 584, 588, 616, 726, 784, 803, 847, 876, 924, 968, 1022, 1078, 1168, 1176, 1232, 1452, 1533, 1606, 1617, 1694, 1752, 1848, 1936, 2044, 2156, 2352, 2409, 2541, 2904, 3066, 3212, 3234, 3388, 3504, 3577, 3696, 4088, 4312, 4818, 5082, 5621, 5808, 5929, 6132, 6424, 6468, 6776, 7154, 8176, 8624, 8833, 9636, 10164, 10731, 11242, 11858, 12264, 12848, 12936, 13552, 14308, 16863, 17666, 17787, 19272, 20328, 21462, 22484, 23716, 24528, 25872, 26499, 28616, 33726, 35332, 35574, 38544, 39347, 40656, 42924, 44968, 47432, 52998, 57232, 61831, 67452, 70664, 71148, 78694, 85848, 89936, 94864, 105996, 118041, 123662, 134904, 141328, 142296, 157388, 171696, 185493, 211992, 236082, 247324, 269808, 284592, 314776, 370986, 423984, 432817, 472164, 494648, 629552, 741972, 865634, 944328, 989296, 1298451, 1483944, 1731268, 1888656, 2596902, 2967888, 3462536, 5193804, 6925072, 10387608, 20775216]

約数ペア:

[(1, 20775216), (2, 10387608), (3, 6925072), (4, 5193804), (6, 3462536), (7, 2967888), (8, 2596902), (11, 1888656), (12, 1731268), (14, 1483944), (16, 1298451), (21, 989296), (22, 944328), (24, 865634), (28, 741972), (33, 629552), (42, 494648), (44, 472164), (48, 432817), (49, 423984), (56, 370986), (66, 314776), (73, 284592), (77, 269808), (84, 247324), (88, 236082), (98, 211992), (112, 185493), (121, 171696), (132, 157388), (146, 142296), (147, 141328), (154, 134904), (168, 123662), (176, 118041), (196, 105996), (219, 94864), (231, 89936), (242, 85848), (264, 78694), (292, 71148), (294, 70664), (308, 67452), (336, 61831), (363, 57232), (392, 52998), (438, 47432), (462, 44968), (484, 42924), (511, 40656), (528, 39347), (539, 38544), (584, 35574), (588, 35332), (616, 33726), (726, 28616), (784, 26499), (803, 25872), (847, 24528), (876, 23716), (924, 22484), (968, 21462), (1022, 20328), (1078, 19272), (1168, 17787), (1176, 17666), (1232, 16863), (1452, 14308), (1533, 13552), (1606, 12936), (1617, 12848), (1694, 12264), (1752, 11858), (1848, 11242), (1936, 10731), (2044, 10164), (2156, 9636), (2352, 8833), (2409, 8624), (2541, 8176), (2904, 7154), (3066, 6776), (3212, 6468), (3234, 6424), (3388, 6132), (3504, 5929), (3577, 5808), (3696, 5621), (4088, 5082), (4312, 4818)]