20199442780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91815649}}^1$

素因数の和:91815669

約数の個数: 24

約数和(自身を含む): 46275087600

約数和(自身を除く): 26075644820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91815649, 183631298, 367262596, 459078245, 918156490, 1009972139, 1836312980, 2019944278, 4039888556, 5049860695, 10099721390, 20199442780]

約数ペア:

[(1, 20199442780), (2, 10099721390), (4, 5049860695), (5, 4039888556), (10, 2019944278), (11, 1836312980), (20, 1009972139), (22, 918156490), (44, 459078245), (55, 367262596), (110, 183631298), (220, 91815649)]