20099662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21247}}^1$

素因数の和:21303

約数の個数: 16

約数和(自身を含む): 33656832

約数和(自身を除く): 13557170

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21247, 42494, 233717, 467434, 913621, 1827242, 10049831, 20099662]

約数ペア:

[(1, 20099662), (2, 10049831), (11, 1827242), (22, 913621), (43, 467434), (86, 233717), (473, 42494), (946, 21247)]