20404833

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{431}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 27979776

約数和(自身を除く): 7574943

約数列:

[1, 3, 43, 129, 367, 431, 1101, 1293, 15781, 18533, 47343, 55599, 158177, 474531, 6801611, 20404833]

約数ペア:

[(1, 20404833), (3, 6801611), (43, 474531), (129, 158177), (367, 55599), (431, 47343), (1101, 18533), (1293, 15781)]