20411608

素因数分解:

$2^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{937}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 43898400

約数和(自身を除く): 23486792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389, 778, 937, 1556, 1874, 2723, 3112, 3748, 5446, 6559, 7496, 10892, 13118, 21784, 26236, 52472, 364493, 728986, 1457972, 2551451, 2915944, 5102902, 10205804, 20411608]

約数ペア:

[(1, 20411608), (2, 10205804), (4, 5102902), (7, 2915944), (8, 2551451), (14, 1457972), (28, 728986), (56, 364493), (389, 52472), (778, 26236), (937, 21784), (1556, 13118), (1874, 10892), (2723, 7496), (3112, 6559), (3748, 5446)]