20969165

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13933}}^1$

素因数の和:13988

約数の個数: 16

約数和(自身を含む): 29428608

約数和(自身を除く): 8459443

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 13933, 69665, 97531, 487655, 599119, 2995595, 4193833, 20969165]

約数ペア:

[(1, 20969165), (5, 4193833), (7, 2995595), (35, 599119), (43, 487655), (215, 97531), (301, 69665), (1505, 13933)]