20487074

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1549}}^1$

素因数の和:1957

約数の個数: 16

約数和(自身を含む): 32643000

約数和(自身を除く): 12155926

約数列:

[1, 2, 17, 34, 389, 778, 1549, 3098, 6613, 13226, 26333, 52666, 602561, 1205122, 10243537, 20487074]

約数ペア:

[(1, 20487074), (2, 10243537), (17, 1205122), (34, 602561), (389, 52666), (778, 26333), (1549, 13226), (3098, 6613)]