20510265

素因数分解:

$3^1\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1301}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 32872896

約数和(自身を除く): 12362631

約数列:

[1, 3, 5, 15, 1051, 1301, 3153, 3903, 5255, 6505, 15765, 19515, 1367351, 4102053, 6836755, 20510265]

約数ペア:

[(1, 20510265), (3, 6836755), (5, 4102053), (15, 1367351), (1051, 19515), (1301, 15765), (3153, 6505), (3903, 5255)]