720408996

素因数分解:

$2^2\times 3^2\times {\mathrm{20011361}}^1$

素因数の和:20011371

約数の個数: 18

約数和(自身を含む): 1821033942

約数和(自身を除く): 1100624946

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 20011361, 40022722, 60034083, 80045444, 120068166, 180102249, 240136332, 360204498, 720408996]

約数ペア:

[(1, 720408996), (2, 360204498), (3, 240136332), (4, 180102249), (6, 120068166), (9, 80045444), (12, 60034083), (18, 40022722), (36, 20011361)]