20790528

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 63576576

約数和(自身を除く): 42786048

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 44, 46, 48, 64, 66, 69, 88, 92, 96, 107, 128, 132, 138, 176, 184, 192, 214, 253, 256, 264, 276, 321, 352, 368, 384, 428, 506, 528, 552, 642, 704, 736, 759, 768, 856, 1012, 1056, 1104, 1177, 1284, 1408, 1472, 1518, 1712, 2024, 2112, 2208, 2354, 2461, 2568, 2816, 2944, 3036, 3424, 3531, 4048, 4224, 4416, 4708, 4922, 5136, 5888, 6072, 6848, 7062, 7383, 8096, 8448, 8832, 9416, 9844, 10272, 12144, 13696, 14124, 14766, 16192, 17664, 18832, 19688, 20544, 24288, 27071, 27392, 28248, 29532, 32384, 37664, 39376, 41088, 48576, 54142, 56496, 59064, 64768, 75328, 78752, 81213, 82176, 97152, 108284, 112992, 118128, 150656, 157504, 162426, 194304, 216568, 225984, 236256, 301312, 315008, 324852, 433136, 451968, 472512, 630016, 649704, 866272, 903936, 945024, 1299408, 1732544, 1890048, 2598816, 3465088, 5197632, 6930176, 10395264, 20790528]

約数ペア:

[(1, 20790528), (2, 10395264), (3, 6930176), (4, 5197632), (6, 3465088), (8, 2598816), (11, 1890048), (12, 1732544), (16, 1299408), (22, 945024), (23, 903936), (24, 866272), (32, 649704), (33, 630016), (44, 472512), (46, 451968), (48, 433136), (64, 324852), (66, 315008), (69, 301312), (88, 236256), (92, 225984), (96, 216568), (107, 194304), (128, 162426), (132, 157504), (138, 150656), (176, 118128), (184, 112992), (192, 108284), (214, 97152), (253, 82176), (256, 81213), (264, 78752), (276, 75328), (321, 64768), (352, 59064), (368, 56496), (384, 54142), (428, 48576), (506, 41088), (528, 39376), (552, 37664), (642, 32384), (704, 29532), (736, 28248), (759, 27392), (768, 27071), (856, 24288), (1012, 20544), (1056, 19688), (1104, 18832), (1177, 17664), (1284, 16192), (1408, 14766), (1472, 14124), (1518, 13696), (1712, 12144), (2024, 10272), (2112, 9844), (2208, 9416), (2354, 8832), (2461, 8448), (2568, 8096), (2816, 7383), (2944, 7062), (3036, 6848), (3424, 6072), (3531, 5888), (4048, 5136), (4224, 4922), (4416, 4708)]