20747001

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4523}}^1$

素因数の和:4676

約数の個数: 16

約数和(自身を含む): 30401280

約数和(自身を除く): 9654279

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4523, 4587, 13569, 49753, 149259, 628697, 1886091, 6915667, 20747001]

約数ペア:

[(1, 20747001), (3, 6915667), (11, 1886091), (33, 628697), (139, 149259), (417, 49753), (1529, 13569), (4523, 4587)]