20865152

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 128

約数和(自身を含む): 54345600

約数和(自身を除く): 33480448

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 32, 44, 56, 58, 64, 73, 77, 88, 112, 116, 128, 146, 154, 176, 203, 224, 232, 292, 308, 319, 352, 406, 448, 464, 511, 584, 616, 638, 704, 803, 812, 896, 928, 1022, 1168, 1232, 1276, 1408, 1606, 1624, 1856, 2044, 2117, 2233, 2336, 2464, 2552, 3212, 3248, 3712, 4088, 4234, 4466, 4672, 4928, 5104, 5621, 6424, 6496, 8176, 8468, 8932, 9344, 9856, 10208, 11242, 12848, 12992, 14819, 16352, 16936, 17864, 20416, 22484, 23287, 25696, 25984, 29638, 32704, 33872, 35728, 40832, 44968, 46574, 51392, 59276, 65408, 67744, 71456, 89936, 93148, 102784, 118552, 135488, 142912, 163009, 179872, 186296, 237104, 270976, 285824, 326018, 359744, 372592, 474208, 652036, 719488, 745184, 948416, 1304072, 1490368, 1896832, 2608144, 2980736, 5216288, 10432576, 20865152]

約数ペア:

[(1, 20865152), (2, 10432576), (4, 5216288), (7, 2980736), (8, 2608144), (11, 1896832), (14, 1490368), (16, 1304072), (22, 948416), (28, 745184), (29, 719488), (32, 652036), (44, 474208), (56, 372592), (58, 359744), (64, 326018), (73, 285824), (77, 270976), (88, 237104), (112, 186296), (116, 179872), (128, 163009), (146, 142912), (154, 135488), (176, 118552), (203, 102784), (224, 93148), (232, 89936), (292, 71456), (308, 67744), (319, 65408), (352, 59276), (406, 51392), (448, 46574), (464, 44968), (511, 40832), (584, 35728), (616, 33872), (638, 32704), (704, 29638), (803, 25984), (812, 25696), (896, 23287), (928, 22484), (1022, 20416), (1168, 17864), (1232, 16936), (1276, 16352), (1408, 14819), (1606, 12992), (1624, 12848), (1856, 11242), (2044, 10208), (2117, 9856), (2233, 9344), (2336, 8932), (2464, 8468), (2552, 8176), (3212, 6496), (3248, 6424), (3712, 5621), (4088, 5104), (4234, 4928), (4466, 4672)]