20807545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3673}}^1$

素因数の和:3792

約数の個数: 16

約数和(自身を含む): 27510912

約数和(自身を除く): 6703367

約数列:

[1, 5, 11, 55, 103, 515, 1133, 3673, 5665, 18365, 40403, 202015, 378319, 1891595, 4161509, 20807545]

約数ペア:

[(1, 20807545), (5, 4161509), (11, 1891595), (55, 378319), (103, 202015), (515, 40403), (1133, 18365), (3673, 5665)]