20288352

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 65499840

約数和(自身を除く): 45211488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 76, 84, 96, 98, 112, 114, 133, 147, 152, 168, 196, 224, 227, 228, 266, 294, 304, 336, 392, 399, 454, 456, 532, 588, 608, 672, 681, 784, 798, 908, 912, 931, 1064, 1176, 1362, 1568, 1589, 1596, 1816, 1824, 1862, 2128, 2352, 2724, 2793, 3178, 3192, 3632, 3724, 4256, 4313, 4704, 4767, 5448, 5586, 6356, 6384, 7264, 7448, 8626, 9534, 10896, 11123, 11172, 12712, 12768, 12939, 14896, 17252, 19068, 21792, 22246, 22344, 25424, 25878, 29792, 30191, 33369, 34504, 38136, 44492, 44688, 50848, 51756, 60382, 66738, 69008, 76272, 88984, 89376, 90573, 103512, 120764, 133476, 138016, 152544, 177968, 181146, 207024, 211337, 241528, 266952, 355936, 362292, 414048, 422674, 483056, 533904, 634011, 724584, 845348, 966112, 1067808, 1268022, 1449168, 1690696, 2536044, 2898336, 3381392, 5072088, 6762784, 10144176, 20288352]

約数ペア:

[(1, 20288352), (2, 10144176), (3, 6762784), (4, 5072088), (6, 3381392), (7, 2898336), (8, 2536044), (12, 1690696), (14, 1449168), (16, 1268022), (19, 1067808), (21, 966112), (24, 845348), (28, 724584), (32, 634011), (38, 533904), (42, 483056), (48, 422674), (49, 414048), (56, 362292), (57, 355936), (76, 266952), (84, 241528), (96, 211337), (98, 207024), (112, 181146), (114, 177968), (133, 152544), (147, 138016), (152, 133476), (168, 120764), (196, 103512), (224, 90573), (227, 89376), (228, 88984), (266, 76272), (294, 69008), (304, 66738), (336, 60382), (392, 51756), (399, 50848), (454, 44688), (456, 44492), (532, 38136), (588, 34504), (608, 33369), (672, 30191), (681, 29792), (784, 25878), (798, 25424), (908, 22344), (912, 22246), (931, 21792), (1064, 19068), (1176, 17252), (1362, 14896), (1568, 12939), (1589, 12768), (1596, 12712), (1816, 11172), (1824, 11123), (1862, 10896), (2128, 9534), (2352, 8626), (2724, 7448), (2793, 7264), (3178, 6384), (3192, 6356), (3632, 5586), (3724, 5448), (4256, 4767), (4313, 4704)]