20936227

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 18

約数和(自身を含む): 23556492

約数和(自身を除く): 2620265

約数列:

[1, 13, 43, 67, 169, 559, 871, 1849, 2881, 7267, 11323, 24037, 37453, 123883, 312481, 486889, 1610479, 20936227]

約数ペア:

[(1, 20936227), (13, 1610479), (43, 486889), (67, 312481), (169, 123883), (559, 37453), (871, 24037), (1849, 11323), (2881, 7267)]