20001242

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{5147}}^1$

素因数の和:5245

約数の個数: 16

約数和(自身を含む): 31505760

約数和(自身を除く): 11504518

約数列:

[1, 2, 29, 58, 67, 134, 1943, 3886, 5147, 10294, 149263, 298526, 344849, 689698, 10000621, 20001242]

約数ペア:

[(1, 20001242), (2, 10000621), (29, 689698), (58, 344849), (67, 298526), (134, 149263), (1943, 10294), (3886, 5147)]