20159862

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78139}}^1$

素因数の和:78187

約数の個数: 16

約数和(自身を含む): 41257920

約数和(自身を除く): 21098058

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 78139, 156278, 234417, 468834, 3359977, 6719954, 10079931, 20159862]

約数ペア:

[(1, 20159862), (2, 10079931), (3, 6719954), (6, 3359977), (43, 468834), (86, 234417), (129, 156278), (258, 78139)]