20198087897

素因数分解:

${\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{2542879}}^1$

素因数の和:2542952

約数の個数: 12

約数和(自身を含む): 22336657920

約数和(自身を除く): 2138570023

約数列:

[1, 13, 47, 169, 611, 7943, 2542879, 33057427, 119515313, 429746551, 1553699069, 20198087897]

約数ペア:

[(1, 20198087897), (13, 1553699069), (47, 429746551), (169, 119515313), (611, 33057427), (7943, 2542879)]