20897434

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{563}}^1$

素因数の和:909

約数の個数: 16

約数和(自身を含む): 31985568

約数和(自身を除く): 11088134

約数列:

[1, 2, 67, 134, 277, 554, 563, 1126, 18559, 37118, 37721, 75442, 155951, 311902, 10448717, 20897434]

約数ペア:

[(1, 20897434), (2, 10448717), (67, 311902), (134, 155951), (277, 75442), (554, 37721), (563, 37118), (1126, 18559)]