20173168

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12241}}^1$

素因数の和:12352

約数の個数: 20

約数和(自身を含む): 39468208

約数和(自身を除く): 19295040

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12241, 24482, 48964, 97928, 195856, 1260823, 2521646, 5043292, 10086584, 20173168]

約数ペア:

[(1, 20173168), (2, 10086584), (4, 5043292), (8, 2521646), (16, 1260823), (103, 195856), (206, 97928), (412, 48964), (824, 24482), (1648, 12241)]