20512272784

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{3347303}}^1$

素因数の和:3347694

約数の個数: 20

約数和(自身を含む): 39846306816

約数和(自身を除く): 19334034032

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 6128, 3347303, 6694606, 13389212, 26778424, 53556848, 1282017049, 2564034098, 5128068196, 10256136392, 20512272784]

約数ペア:

[(1, 20512272784), (2, 10256136392), (4, 5128068196), (8, 2564034098), (16, 1282017049), (383, 53556848), (766, 26778424), (1532, 13389212), (3064, 6694606), (6128, 3347303)]