20644568

素因数分解:

$2^3\times 7^1\times {\mathrm{368653}}^1$

素因数の和:368666

約数の個数: 16

約数和(自身を含む): 44238480

約数和(自身を除く): 23593912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 368653, 737306, 1474612, 2580571, 2949224, 5161142, 10322284, 20644568]

約数ペア:

[(1, 20644568), (2, 10322284), (4, 5161142), (7, 2949224), (8, 2580571), (14, 1474612), (28, 737306), (56, 368653)]