20607184

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7621}}^1$

素因数の和:7655

約数の個数: 30

約数和(自身を含む): 43239606

約数和(自身を除く): 22632422

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7621, 15242, 30484, 60968, 99073, 121936, 198146, 396292, 792584, 1287949, 1585168, 2575898, 5151796, 10303592, 20607184]

約数ペア:

[(1, 20607184), (2, 10303592), (4, 5151796), (8, 2575898), (13, 1585168), (16, 1287949), (26, 792584), (52, 396292), (104, 198146), (169, 121936), (208, 99073), (338, 60968), (676, 30484), (1352, 15242), (2704, 7621)]