20862567

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{587}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 12159513

約数列:

[1, 3, 9, 11, 33, 99, 359, 587, 1077, 1761, 3231, 3949, 5283, 6457, 11847, 19371, 35541, 58113, 210733, 632199, 1896597, 2318063, 6954189, 20862567]

約数ペア:

[(1, 20862567), (3, 6954189), (9, 2318063), (11, 1896597), (33, 632199), (99, 210733), (359, 58113), (587, 35541), (1077, 19371), (1761, 11847), (3231, 6457), (3949, 5283)]