20573049

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22783}}^1$

素因数の和:22836

約数の個数: 16

約数和(自身を含む): 32079872

約数和(自身を除く): 11506823

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22783, 68349, 159481, 478443, 979669, 2939007, 6857683, 20573049]

約数ペア:

[(1, 20573049), (3, 6857683), (7, 2939007), (21, 979669), (43, 478443), (129, 159481), (301, 68349), (903, 22783)]