20570008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135329}}^1$

素因数の和:135354

約数の個数: 16

約数和(自身を含む): 40599000

約数和(自身を除く): 20028992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135329, 270658, 541316, 1082632, 2571251, 5142502, 10285004, 20570008]

約数ペア:

[(1, 20570008), (2, 10285004), (4, 5142502), (8, 2571251), (19, 1082632), (38, 541316), (76, 270658), (152, 135329)]