20157370

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18493}}^1$

素因数の和:18609

約数の個数: 16

約数和(自身を含む): 36618120

約数和(自身を除く): 16460750

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18493, 36986, 92465, 184930, 2015737, 4031474, 10078685, 20157370]

約数ペア:

[(1, 20157370), (2, 10078685), (5, 4031474), (10, 2015737), (109, 184930), (218, 92465), (545, 36986), (1090, 18493)]