20473585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2371}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 26983872

約数和(自身を除く): 6510287

約数列:

[1, 5, 11, 55, 157, 785, 1727, 2371, 8635, 11855, 26081, 130405, 372247, 1861235, 4094717, 20473585]

約数ペア:

[(1, 20473585), (5, 4094717), (11, 1861235), (55, 372247), (157, 130405), (785, 26081), (1727, 11855), (2371, 8635)]