20554545

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{359}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 15526095

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 347, 359, 1041, 1077, 1735, 1795, 3817, 3949, 5205, 5385, 11451, 11847, 19085, 19745, 57255, 59235, 124573, 373719, 622865, 1370303, 1868595, 4110909, 6851515, 20554545]

約数ペア:

[(1, 20554545), (3, 6851515), (5, 4110909), (11, 1868595), (15, 1370303), (33, 622865), (55, 373719), (165, 124573), (347, 59235), (359, 57255), (1041, 19745), (1077, 19085), (1735, 11847), (1795, 11451), (3817, 5385), (3949, 5205)]