20648793

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1201}}^1$

素因数の和:1736

約数の個数: 16

約数和(自身を含む): 30117312

約数和(自身を除く): 9468519

約数列:

[1, 3, 11, 33, 521, 1201, 1563, 3603, 5731, 13211, 17193, 39633, 625721, 1877163, 6882931, 20648793]

約数ペア:

[(1, 20648793), (3, 6882931), (11, 1877163), (33, 625721), (521, 39633), (1201, 17193), (1563, 13211), (3603, 5731)]