20487020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44537}}^1$

素因数の和:44569

約数の個数: 24

約数和(自身を含む): 44894304

約数和(自身を除く): 24407284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44537, 89074, 178148, 222685, 445370, 890740, 1024351, 2048702, 4097404, 5121755, 10243510, 20487020]

約数ペア:

[(1, 20487020), (2, 10243510), (4, 5121755), (5, 4097404), (10, 2048702), (20, 1024351), (23, 890740), (46, 445370), (92, 222685), (115, 178148), (230, 89074), (460, 44537)]