20560839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1289}}^1$

素因数の和:1714

約数の個数: 16

約数和(自身を含む): 29618400

約数和(自身を除く): 9057561

約数列:

[1, 3, 13, 39, 409, 1227, 1289, 3867, 5317, 15951, 16757, 50271, 527201, 1581603, 6853613, 20560839]

約数ペア:

[(1, 20560839), (3, 6853613), (13, 1581603), (39, 527201), (409, 50271), (1227, 16757), (1289, 15951), (3867, 5317)]