20427563

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 22848000

約数和(自身を除く): 2420437

約数列:

[1, 13, 47, 67, 499, 611, 871, 3149, 6487, 23453, 33433, 40937, 304889, 434629, 1571351, 20427563]

約数ペア:

[(1, 20427563), (13, 1571351), (47, 434629), (67, 304889), (499, 40937), (611, 33433), (871, 23453), (3149, 6487)]