20288196

素因数分解:

$2^2\times 3^2\times {\mathrm{563561}}^1$

素因数の和:563571

約数の個数: 18

約数和(自身を含む): 51284142

約数和(自身を除く): 30995946

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563561, 1127122, 1690683, 2254244, 3381366, 5072049, 6762732, 10144098, 20288196]

約数ペア:

[(1, 20288196), (2, 10144098), (3, 6762732), (4, 5072049), (6, 3381366), (9, 2254244), (12, 1690683), (18, 1127122), (36, 563561)]