20386386

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{26339}}^1$

素因数の和:26390

約数の個数: 24

約数和(自身を含む): 45199440

約数和(自身を除く): 24813054

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 26339, 52678, 79017, 158034, 237051, 474102, 1132577, 2265154, 3397731, 6795462, 10193193, 20386386]

約数ペア:

[(1, 20386386), (2, 10193193), (3, 6795462), (6, 3397731), (9, 2265154), (18, 1132577), (43, 474102), (86, 237051), (129, 158034), (258, 79017), (387, 52678), (774, 26339)]