20915671409

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{163061}}^1$

素因数の和:163280

約数の個数: 16

約数和(自身を含む): 22672140480

約数和(自身を除く): 1756469071

約数列:

[1, 19, 43, 157, 817, 2983, 6751, 128269, 163061, 3098159, 7011623, 25600577, 133220837, 486410963, 1100824811, 20915671409]

約数ペア:

[(1, 20915671409), (19, 1100824811), (43, 486410963), (157, 133220837), (817, 25600577), (2983, 7011623), (6751, 3098159), (128269, 163061)]