16020820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7349}}^1$

素因数の和:7467

約数の個数: 24

約数和(自身を含む): 33957000

約数和(自身を除く): 17936180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7349, 14698, 29396, 36745, 73490, 146980, 801041, 1602082, 3204164, 4005205, 8010410, 16020820]

約数ペア:

[(1, 16020820), (2, 8010410), (4, 4005205), (5, 3204164), (10, 1602082), (20, 801041), (109, 146980), (218, 73490), (436, 36745), (545, 29396), (1090, 14698), (2180, 7349)]