20244554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40009}}^1$

素因数の和:40045

約数の個数: 16

約数和(自身を含む): 34568640

約数和(自身を除く): 14324086

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40009, 80018, 440099, 880198, 920207, 1840414, 10122277, 20244554]

約数ペア:

[(1, 20244554), (2, 10122277), (11, 1840414), (22, 920207), (23, 880198), (46, 440099), (253, 80018), (506, 40009)]