16720660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{76003}}^1$

素因数の和:76023

約数の個数: 24

約数和(自身を含む): 38306016

約数和(自身を除く): 21585356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 76003, 152006, 304012, 380015, 760030, 836033, 1520060, 1672066, 3344132, 4180165, 8360330, 16720660]

約数ペア:

[(1, 16720660), (2, 8360330), (4, 4180165), (5, 3344132), (10, 1672066), (11, 1520060), (20, 836033), (22, 760030), (44, 380015), (55, 304012), (110, 152006), (220, 76003)]