20163220120

素因数分解:

$2^3\times 5^1\times {\mathrm{504080503}}^1$

素因数の和:504080514

約数の個数: 16

約数和(自身を含む): 45367245360

約数和(自身を除く): 25204025240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504080503, 1008161006, 2016322012, 2520402515, 4032644024, 5040805030, 10081610060, 20163220120]

約数ペア:

[(1, 20163220120), (2, 10081610060), (4, 5040805030), (5, 4032644024), (8, 2520402515), (10, 2016322012), (20, 1008161006), (40, 504080503)]