20875943

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 2624857

約数列:

[1, 11, 47, 149, 271, 517, 1639, 2981, 7003, 12737, 40379, 77033, 140107, 444169, 1897813, 20875943]

約数ペア:

[(1, 20875943), (11, 1897813), (47, 444169), (149, 140107), (271, 77033), (517, 40379), (1639, 12737), (2981, 7003)]