20504416

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{6221}}^1$

素因数の和:6334

約数の個数: 24

約数和(自身を含む): 40766544

約数和(自身を除く): 20262128

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 6221, 12442, 24884, 49768, 99536, 199072, 640763, 1281526, 2563052, 5126104, 10252208, 20504416]

約数ペア:

[(1, 20504416), (2, 10252208), (4, 5126104), (8, 2563052), (16, 1281526), (32, 640763), (103, 199072), (206, 99536), (412, 49768), (824, 24884), (1648, 12442), (3296, 6221)]