20159518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13789}}^1$

素因数の和:13851

約数の個数: 16

約数和(自身を含む): 32765040

約数和(自身を除く): 12605522

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 13789, 27578, 234413, 468826, 592927, 1185854, 10079759, 20159518]

約数ペア:

[(1, 20159518), (2, 10079759), (17, 1185854), (34, 592927), (43, 468826), (86, 234413), (731, 27578), (1462, 13789)]