20128732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1439}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 17973668

約数列:

[1, 2, 4, 13, 26, 52, 269, 538, 1076, 1439, 2878, 3497, 5756, 6994, 13988, 18707, 37414, 74828, 387091, 774182, 1548364, 5032183, 10064366, 20128732]

約数ペア:

[(1, 20128732), (2, 10064366), (4, 5032183), (13, 1548364), (26, 774182), (52, 387091), (269, 74828), (538, 37414), (1076, 18707), (1439, 13988), (2878, 6994), (3497, 5756)]