20097649

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 25034400

約数和(自身を除く): 4936751

約数列:

[1, 11, 13, 19, 143, 169, 209, 247, 569, 1859, 2717, 3211, 6259, 7397, 10811, 35321, 81367, 96161, 118921, 140543, 1057771, 1545973, 1827059, 20097649]

約数ペア:

[(1, 20097649), (11, 1827059), (13, 1545973), (19, 1057771), (143, 140543), (169, 118921), (209, 96161), (247, 81367), (569, 35321), (1859, 10811), (2717, 7397), (3211, 6259)]