20502392

素因数分解:

$2^3\times {\mathrm{521}}^1\times {\mathrm{4919}}^1$

素因数の和:5446

約数の個数: 16

約数和(自身を含む): 38523600

約数和(自身を除く): 18021208

約数列:

[1, 2, 4, 8, 521, 1042, 2084, 4168, 4919, 9838, 19676, 39352, 2562799, 5125598, 10251196, 20502392]

約数ペア:

[(1, 20502392), (2, 10251196), (4, 5125598), (8, 2562799), (521, 39352), (1042, 19676), (2084, 9838), (4168, 4919)]