1620803418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{20779531}}^1$

素因数の和:20779549

約数の個数: 16

約数和(自身を含む): 3490961376

約数和(自身を除く): 1870157958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 20779531, 41559062, 62338593, 124677186, 270133903, 540267806, 810401709, 1620803418]

約数ペア:

[(1, 1620803418), (2, 810401709), (3, 540267806), (6, 270133903), (13, 124677186), (26, 62338593), (39, 41559062), (78, 20779531)]