20544434

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8863}}^1$

素因数の和:8945

約数の個数: 16

約数和(自身を含む): 32974080

約数和(自身を除く): 12429646

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8863, 17726, 168397, 336794, 540643, 1081286, 10272217, 20544434]

約数ペア:

[(1, 20544434), (2, 10272217), (19, 1081286), (38, 540643), (61, 336794), (122, 168397), (1159, 17726), (2318, 8863)]