20823561

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23371}}^1$

素因数の和:23394

約数の個数: 20

約数和(自身を含む): 33936144

約数和(自身を除く): 13112583

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23371, 70113, 210339, 257081, 631017, 771243, 1893051, 2313729, 6941187, 20823561]

約数ペア:

[(1, 20823561), (3, 6941187), (9, 2313729), (11, 1893051), (27, 771243), (33, 631017), (81, 257081), (99, 210339), (297, 70113), (891, 23371)]