20547441

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5839}}^1$

素因数の和:5885

約数の個数: 24

約数和(自身を含む): 32797440

約数和(自身を除く): 12249999

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5839, 17517, 52551, 99263, 134297, 297789, 402891, 893367, 1208673, 2283049, 6849147, 20547441]

約数ペア:

[(1, 20547441), (3, 6849147), (9, 2283049), (17, 1208673), (23, 893367), (51, 402891), (69, 297789), (153, 134297), (207, 99263), (391, 52551), (1173, 17517), (3519, 5839)]