20881656

素因数分解:

$2^3\times 3^2\times {\mathrm{290023}}^1$

素因数の和:290035

約数の個数: 24

約数和(自身を含む): 56554680

約数和(自身を除く): 35673024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290023, 580046, 870069, 1160092, 1740138, 2320184, 2610207, 3480276, 5220414, 6960552, 10440828, 20881656]

約数ペア:

[(1, 20881656), (2, 10440828), (3, 6960552), (4, 5220414), (6, 3480276), (8, 2610207), (9, 2320184), (12, 1740138), (18, 1160092), (24, 870069), (36, 580046), (72, 290023)]