20214771

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 27567744

約数和(自身を除く): 7352973

約数列:

[1, 3, 67, 163, 201, 489, 617, 1851, 10921, 32763, 41339, 100571, 124017, 301713, 6738257, 20214771]

約数ペア:

[(1, 20214771), (3, 6738257), (67, 301713), (163, 124017), (201, 100571), (489, 41339), (617, 32763), (1851, 10921)]