20152660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1949}}^1$

素因数の和:2016

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 27021740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1949, 2068, 2585, 3898, 5170, 7796, 9745, 10340, 19490, 21439, 38980, 42878, 85756, 91603, 107195, 183206, 214390, 366412, 428780, 458015, 916030, 1007633, 1832060, 2015266, 4030532, 5038165, 10076330, 20152660]

約数ペア:

[(1, 20152660), (2, 10076330), (4, 5038165), (5, 4030532), (10, 2015266), (11, 1832060), (20, 1007633), (22, 916030), (44, 458015), (47, 428780), (55, 366412), (94, 214390), (110, 183206), (188, 107195), (220, 91603), (235, 85756), (470, 42878), (517, 38980), (940, 21439), (1034, 19490), (1949, 10340), (2068, 9745), (2585, 7796), (3898, 5170)]