20647041

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 28055808

約数和(自身を除く): 7408767

約数列:

[1, 3, 107, 131, 321, 393, 491, 1473, 14017, 42051, 52537, 64321, 157611, 192963, 6882347, 20647041]

約数ペア:

[(1, 20647041), (3, 6882347), (107, 192963), (131, 157611), (321, 64321), (393, 52537), (491, 42051), (1473, 14017)]