20901859328

素因数分解:

$2^{12}\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8191}}^1$

素因数の和:8311

約数の個数: 104

約数和(自身を含む): 48312483840

約数和(自身を除く): 27410624512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 448, 512, 623, 712, 896, 1024, 1246, 1424, 1792, 2048, 2492, 2848, 3584, 4096, 4984, 5696, 7168, 8191, 9968, 11392, 14336, 16382, 19936, 22784, 28672, 32764, 39872, 45568, 57337, 65528, 79744, 91136, 114674, 131056, 159488, 182272, 229348, 262112, 318976, 364544, 458696, 524224, 637952, 728999, 917392, 1048448, 1275904, 1457998, 1834784, 2096896, 2551808, 2915996, 3669568, 4193792, 5102993, 5831992, 7339136, 8387584, 10205986, 11663984, 14678272, 16775168, 20411972, 23327968, 29356544, 33550336, 40823944, 46655936, 58713088, 81647888, 93311872, 117426176, 163295776, 186623744, 234852352, 326591552, 373247488, 653183104, 746494976, 1306366208, 1492989952, 2612732416, 2985979904, 5225464832, 10450929664, 20901859328]

約数ペア:

[(1, 20901859328), (2, 10450929664), (4, 5225464832), (7, 2985979904), (8, 2612732416), (14, 1492989952), (16, 1306366208), (28, 746494976), (32, 653183104), (56, 373247488), (64, 326591552), (89, 234852352), (112, 186623744), (128, 163295776), (178, 117426176), (224, 93311872), (256, 81647888), (356, 58713088), (448, 46655936), (512, 40823944), (623, 33550336), (712, 29356544), (896, 23327968), (1024, 20411972), (1246, 16775168), (1424, 14678272), (1792, 11663984), (2048, 10205986), (2492, 8387584), (2848, 7339136), (3584, 5831992), (4096, 5102993), (4984, 4193792), (5696, 3669568), (7168, 2915996), (8191, 2551808), (9968, 2096896), (11392, 1834784), (14336, 1457998), (16382, 1275904), (19936, 1048448), (22784, 917392), (28672, 728999), (32764, 637952), (39872, 524224), (45568, 458696), (57337, 364544), (65528, 318976), (79744, 262112), (91136, 229348), (114674, 182272), (131056, 159488)]