20367344

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17929}}^1$

素因数の和:18008

約数の個数: 20

約数和(自身を含む): 40019760

約数和(自身を除く): 19652416

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17929, 35858, 71716, 143432, 286864, 1272959, 2545918, 5091836, 10183672, 20367344]

約数ペア:

[(1, 20367344), (2, 10183672), (4, 5091836), (8, 2545918), (16, 1272959), (71, 286864), (142, 143432), (284, 71716), (568, 35858), (1136, 17929)]