20439441

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{137}}^2$

素因数の和:302

約数の個数: 27

約数和(自身を含む): 32690203

約数和(自身を除く): 12250762

約数列:

[1, 3, 9, 11, 33, 99, 121, 137, 363, 411, 1089, 1233, 1507, 4521, 13563, 16577, 18769, 49731, 56307, 149193, 168921, 206459, 619377, 1858131, 2271049, 6813147, 20439441]

約数ペア:

[(1, 20439441), (3, 6813147), (9, 2271049), (11, 1858131), (33, 619377), (99, 206459), (121, 168921), (137, 149193), (363, 56307), (411, 49731), (1089, 18769), (1233, 16577), (1507, 13563)]