20521024

素因数分解:

$2^6\times {\mathrm{311}}^1\times {\mathrm{1031}}^1$

素因数の和:1354

約数の個数: 28

約数和(自身を含む): 40891968

約数和(自身を除く): 20370944

約数列:

[1, 2, 4, 8, 16, 32, 64, 311, 622, 1031, 1244, 2062, 2488, 4124, 4976, 8248, 9952, 16496, 19904, 32992, 65984, 320641, 641282, 1282564, 2565128, 5130256, 10260512, 20521024]

約数ペア:

[(1, 20521024), (2, 10260512), (4, 5130256), (8, 2565128), (16, 1282564), (32, 641282), (64, 320641), (311, 65984), (622, 32992), (1031, 19904), (1244, 16496), (2062, 9952), (2488, 8248), (4124, 4976)]