20488859776

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{28477}}^1$

素因数の和:28582

約数の個数: 128

約数和(自身を含む): 51588466560

約数和(自身を除く): 31099606784

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 73, 77, 88, 112, 128, 146, 154, 176, 224, 292, 308, 352, 448, 511, 584, 616, 704, 803, 896, 1022, 1168, 1232, 1408, 1606, 2044, 2336, 2464, 3212, 4088, 4672, 4928, 5621, 6424, 8176, 9344, 9856, 11242, 12848, 16352, 22484, 25696, 28477, 32704, 44968, 51392, 56954, 65408, 89936, 102784, 113908, 179872, 199339, 227816, 313247, 359744, 398678, 455632, 626494, 719488, 797356, 911264, 1252988, 1594712, 1822528, 2078821, 2192729, 2505976, 3189424, 3645056, 4157642, 4385458, 5011952, 6378848, 8315284, 8770916, 10023904, 12757696, 14551747, 16630568, 17541832, 20047808, 22867031, 25515392, 29103494, 33261136, 35083664, 40095616, 45734062, 58206988, 66522272, 70167328, 91468124, 116413976, 133044544, 140334656, 160069217, 182936248, 232827952, 266089088, 280669312, 320138434, 365872496, 465655904, 640276868, 731744992, 931311808, 1280553736, 1463489984, 1862623616, 2561107472, 2926979968, 5122214944, 10244429888, 20488859776]

約数ペア:

[(1, 20488859776), (2, 10244429888), (4, 5122214944), (7, 2926979968), (8, 2561107472), (11, 1862623616), (14, 1463489984), (16, 1280553736), (22, 931311808), (28, 731744992), (32, 640276868), (44, 465655904), (56, 365872496), (64, 320138434), (73, 280669312), (77, 266089088), (88, 232827952), (112, 182936248), (128, 160069217), (146, 140334656), (154, 133044544), (176, 116413976), (224, 91468124), (292, 70167328), (308, 66522272), (352, 58206988), (448, 45734062), (511, 40095616), (584, 35083664), (616, 33261136), (704, 29103494), (803, 25515392), (896, 22867031), (1022, 20047808), (1168, 17541832), (1232, 16630568), (1408, 14551747), (1606, 12757696), (2044, 10023904), (2336, 8770916), (2464, 8315284), (3212, 6378848), (4088, 5011952), (4672, 4385458), (4928, 4157642), (5621, 3645056), (6424, 3189424), (8176, 2505976), (9344, 2192729), (9856, 2078821), (11242, 1822528), (12848, 1594712), (16352, 1252988), (22484, 911264), (25696, 797356), (28477, 719488), (32704, 626494), (44968, 455632), (51392, 398678), (56954, 359744), (65408, 313247), (89936, 227816), (102784, 199339), (113908, 179872)]