20154128

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4451}}^1$

素因数の和:4742

約数の個数: 20

約数和(自身を含む): 39195408

約数和(自身を除く): 19041280

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4451, 4528, 8902, 17804, 35608, 71216, 1259633, 2519266, 5038532, 10077064, 20154128]

約数ペア:

[(1, 20154128), (2, 10077064), (4, 5038532), (8, 2519266), (16, 1259633), (283, 71216), (566, 35608), (1132, 17804), (2264, 8902), (4451, 4528)]