20745034688

素因数分解:

$2^6\times 7^1\times {\mathrm{1151}}^1\times {\mathrm{40231}}^1$

素因数の和:41401

約数の個数: 56

約数和(自身を含む): 47088820224

約数和(自身を除く): 26343785536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 1151, 2302, 4604, 8057, 9208, 16114, 18416, 32228, 36832, 40231, 64456, 73664, 80462, 128912, 160924, 257824, 281617, 321848, 515648, 563234, 643696, 1126468, 1287392, 2252936, 2574784, 4505872, 9011744, 18023488, 46305881, 92611762, 185223524, 324141167, 370447048, 648282334, 740894096, 1296564668, 1481788192, 2593129336, 2963576384, 5186258672, 10372517344, 20745034688]

約数ペア:

[(1, 20745034688), (2, 10372517344), (4, 5186258672), (7, 2963576384), (8, 2593129336), (14, 1481788192), (16, 1296564668), (28, 740894096), (32, 648282334), (56, 370447048), (64, 324141167), (112, 185223524), (224, 92611762), (448, 46305881), (1151, 18023488), (2302, 9011744), (4604, 4505872), (8057, 2574784), (9208, 2252936), (16114, 1287392), (18416, 1126468), (32228, 643696), (36832, 563234), (40231, 515648), (64456, 321848), (73664, 281617), (80462, 257824), (128912, 160924)]