20379512

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23371}}^1$

素因数の和:23486

約数の個数: 16

約数和(自身を含む): 38563800

約数和(自身を除く): 18184288

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23371, 46742, 93484, 186968, 2547439, 5094878, 10189756, 20379512]

約数ペア:

[(1, 20379512), (2, 10189756), (4, 5094878), (8, 2547439), (109, 186968), (218, 93484), (436, 46742), (872, 23371)]