20729168

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14557}}^1$

素因数の和:14654

約数の個数: 20

約数和(自身を含む): 40616820

約数和(自身を除く): 19887652

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14557, 29114, 58228, 116456, 232912, 1295573, 2591146, 5182292, 10364584, 20729168]

約数ペア:

[(1, 20729168), (2, 10364584), (4, 5182292), (8, 2591146), (16, 1295573), (89, 232912), (178, 116456), (356, 58228), (712, 29114), (1424, 14557)]