20039144

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80803}}^1$

素因数の和:80840

約数の個数: 16

約数和(自身を含む): 38785920

約数和(自身を除く): 18746776

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80803, 161606, 323212, 646424, 2504893, 5009786, 10019572, 20039144]

約数ペア:

[(1, 20039144), (2, 10019572), (4, 5009786), (8, 2504893), (31, 646424), (62, 323212), (124, 161606), (248, 80803)]