20510864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116539}}^1$

素因数の和:116558

約数の個数: 20

約数和(自身を含む): 43352880

約数和(自身を除く): 22842016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116539, 233078, 466156, 932312, 1281929, 1864624, 2563858, 5127716, 10255432, 20510864]

約数ペア:

[(1, 20510864), (2, 10255432), (4, 5127716), (8, 2563858), (11, 1864624), (16, 1281929), (22, 932312), (44, 466156), (88, 233078), (176, 116539)]