20147019221

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{77787719}}^1$

素因数の和:77787763

約数の個数: 8

約数和(自身を含む): 23647466880

約数和(自身を除く): 3500447659

約数列:

[1, 7, 37, 259, 77787719, 544514033, 2878145603, 20147019221]

約数ペア:

[(1, 20147019221), (7, 2878145603), (37, 544514033), (259, 77787719)]