20158774448

素因数分解:

$2^4\times {\mathrm{677}}^1\times {\mathrm{1861039}}^1$

素因数の和:1861724

約数の個数: 20

約数和(自身を含む): 39115338720

約数和(自身を除く): 18956564272

約数列:

[1, 2, 4, 8, 16, 677, 1354, 2708, 5416, 10832, 1861039, 3722078, 7444156, 14888312, 29776624, 1259923403, 2519846806, 5039693612, 10079387224, 20158774448]

約数ペア:

[(1, 20158774448), (2, 10079387224), (4, 5039693612), (8, 2519846806), (16, 1259923403), (677, 29776624), (1354, 14888312), (2708, 7444156), (5416, 3722078), (10832, 1861039)]