20520335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{733}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 26952480

約数和(自身を除く): 6432145

約数列:

[1, 5, 11, 55, 509, 733, 2545, 3665, 5599, 8063, 27995, 40315, 373097, 1865485, 4104067, 20520335]

約数ペア:

[(1, 20520335), (5, 4104067), (11, 1865485), (55, 373097), (509, 40315), (733, 27995), (2545, 8063), (3665, 5599)]