20997649151

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1149989}}^1$

素因数の和:1150070

約数の個数: 12

約数和(自身を含む): 22838801400

約数和(自身を除く): 1841152249

約数列:

[1, 19, 31, 589, 961, 18259, 1149989, 21849791, 35649659, 677343521, 1105139429, 20997649151]

約数ペア:

[(1, 20997649151), (19, 1105139429), (31, 677343521), (589, 35649659), (961, 21849791), (18259, 1149989)]