20288128

素因数分解:

$2^7\times 7^1\times {\mathrm{22643}}^1$

素因数の和:22664

約数の個数: 32

約数和(自身を含む): 46193760

約数和(自身を除く): 25905632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22643, 45286, 90572, 158501, 181144, 317002, 362288, 634004, 724576, 1268008, 1449152, 2536016, 2898304, 5072032, 10144064, 20288128]

約数ペア:

[(1, 20288128), (2, 10144064), (4, 5072032), (7, 2898304), (8, 2536016), (14, 1449152), (16, 1268008), (28, 724576), (32, 634004), (56, 362288), (64, 317002), (112, 181144), (128, 158501), (224, 90572), (448, 45286), (896, 22643)]