20403370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12073}}^1$

素因数の和:12106

約数の個数: 24

約数和(自身を含む): 39771756

約数和(自身を除く): 19368386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 12073, 24146, 60365, 120730, 156949, 313898, 784745, 1569490, 2040337, 4080674, 10201685, 20403370]

約数ペア:

[(1, 20403370), (2, 10201685), (5, 4080674), (10, 2040337), (13, 1569490), (26, 784745), (65, 313898), (130, 156949), (169, 120730), (338, 60365), (845, 24146), (1690, 12073)]