15920740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72367}}^1$

素因数の和:72387

約数の個数: 24

約数和(自身を含む): 36473472

約数和(自身を除く): 20552732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72367, 144734, 289468, 361835, 723670, 796037, 1447340, 1592074, 3184148, 3980185, 7960370, 15920740]

約数ペア:

[(1, 15920740), (2, 7960370), (4, 3980185), (5, 3184148), (10, 1592074), (11, 1447340), (20, 796037), (22, 723670), (44, 361835), (55, 289468), (110, 144734), (220, 72367)]