16720256

素因数分解:

$2^7\times 7^1\times {\mathrm{18661}}^1$

素因数の和:18682

約数の個数: 32

約数和(自身を含む): 38070480

約数和(自身を除く): 21350224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 18661, 37322, 74644, 130627, 149288, 261254, 298576, 522508, 597152, 1045016, 1194304, 2090032, 2388608, 4180064, 8360128, 16720256]

約数ペア:

[(1, 16720256), (2, 8360128), (4, 4180064), (7, 2388608), (8, 2090032), (14, 1194304), (16, 1045016), (28, 597152), (32, 522508), (56, 298576), (64, 261254), (112, 149288), (128, 130627), (224, 74644), (448, 37322), (896, 18661)]