20416256

素因数分解:

$2^8\times 7^1\times {\mathrm{11393}}^1$

素因数の和:11416

約数の個数: 36

約数和(自身を含む): 46578672

約数和(自身を除く): 26162416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11393, 22786, 45572, 79751, 91144, 159502, 182288, 319004, 364576, 638008, 729152, 1276016, 1458304, 2552032, 2916608, 5104064, 10208128, 20416256]

約数ペア:

[(1, 20416256), (2, 10208128), (4, 5104064), (7, 2916608), (8, 2552032), (14, 1458304), (16, 1276016), (28, 729152), (32, 638008), (56, 364576), (64, 319004), (112, 182288), (128, 159502), (224, 91144), (256, 79751), (448, 45572), (896, 22786), (1792, 11393)]