820804528

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{498061}}^1$

素因数の和:498172

約数の個数: 20

約数和(自身を含む): 1605751888

約数和(自身を除く): 784947360

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 498061, 996122, 1992244, 3984488, 7968976, 51300283, 102600566, 205201132, 410402264, 820804528]

約数ペア:

[(1, 820804528), (2, 410402264), (4, 205201132), (8, 102600566), (16, 51300283), (103, 7968976), (206, 3984488), (412, 1992244), (824, 996122), (1648, 498061)]