20661036137

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1624423}}^1$

素因数の和:1624532

約数の個数: 16

約数和(自身を含む): 24951152640

約数和(自身を除く): 4290116503

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 1624423, 11370961, 37361729, 128329417, 261532103, 898305919, 2951576591, 20661036137]

約数ペア:

[(1, 20661036137), (7, 2951576591), (23, 898305919), (79, 261532103), (161, 128329417), (553, 37361729), (1817, 11370961), (12719, 1624423)]