20736128

素因数分解:

$2^7\times 7^1\times {\mathrm{23143}}^1$

素因数の和:23164

約数の個数: 32

約数和(自身を含む): 47213760

約数和(自身を除く): 26477632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23143, 46286, 92572, 162001, 185144, 324002, 370288, 648004, 740576, 1296008, 1481152, 2592016, 2962304, 5184032, 10368064, 20736128]

約数ペア:

[(1, 20736128), (2, 10368064), (4, 5184032), (7, 2962304), (8, 2592016), (14, 1481152), (16, 1296008), (28, 740576), (32, 648004), (56, 370288), (64, 324002), (112, 185144), (128, 162001), (224, 92572), (448, 46286), (896, 23143)]