20975672

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36929}}^1$

素因数の和:37006

約数の個数: 16

約数和(自身を含む): 39884400

約数和(自身を除く): 18908728

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36929, 73858, 147716, 295432, 2621959, 5243918, 10487836, 20975672]

約数ペア:

[(1, 20975672), (2, 10487836), (4, 5243918), (8, 2621959), (71, 295432), (142, 147716), (284, 73858), (568, 36929)]