20791678

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{3559}}^1$

素因数の和:3711

約数の個数: 16

約数和(自身を含む): 32808960

約数和(自身を除く): 12017282

約数列:

[1, 2, 23, 46, 127, 254, 2921, 3559, 5842, 7118, 81857, 163714, 451993, 903986, 10395839, 20791678]

約数ペア:

[(1, 20791678), (2, 10395839), (23, 903986), (46, 451993), (127, 163714), (254, 81857), (2921, 7118), (3559, 5842)]