20888974687

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{136343}}^1$

素因数の和:136902

約数の個数: 16

約数和(自身を含む): 24476474880

約数和(自身を除く): 3587500193

約数列:

[1, 7, 43, 301, 509, 3563, 21887, 136343, 153209, 954401, 5862749, 41039243, 69398587, 485790109, 2984139241, 20888974687]

約数ペア:

[(1, 20888974687), (7, 2984139241), (43, 485790109), (301, 69398587), (509, 41039243), (3563, 5862749), (21887, 954401), (136343, 153209)]