20920147708

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{307649231}}^1$

素因数の和:307649252

約数の個数: 12

約数和(自身を含む): 38763803232

約数和(自身を除く): 17843655524

約数列:

[1, 2, 4, 17, 34, 68, 307649231, 615298462, 1230596924, 5230036927, 10460073854, 20920147708]

約数ペア:

[(1, 20920147708), (2, 10460073854), (4, 5230036927), (17, 1230596924), (34, 615298462), (68, 307649231)]