20555198

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{727}}^1$

素因数の和:1007

約数の個数: 16

約数和(自身を含む): 31484544

約数和(自身を除く): 10929346

約数列:

[1, 2, 67, 134, 211, 422, 727, 1454, 14137, 28274, 48709, 97418, 153397, 306794, 10277599, 20555198]

約数ペア:

[(1, 20555198), (2, 10277599), (67, 306794), (134, 153397), (211, 97418), (422, 48709), (727, 28274), (1454, 14137)]