15920780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16937}}^1$

素因数の和:16993

約数の個数: 24

約数和(自身を含む): 34147008

約数和(自身を除く): 18226228

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 16937, 33874, 67748, 84685, 169370, 338740, 796039, 1592078, 3184156, 3980195, 7960390, 15920780]

約数ペア:

[(1, 15920780), (2, 7960390), (4, 3980195), (5, 3184156), (10, 1592078), (20, 796039), (47, 338740), (94, 169370), (188, 84685), (235, 67748), (470, 33874), (940, 16937)]