20406411

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 30983680

約数和(自身を除く): 10577269

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 1063, 2133, 3189, 6399, 9567, 19197, 28701, 83977, 86103, 251931, 258309, 755793, 2267379, 6802137, 20406411]

約数ペア:

[(1, 20406411), (3, 6802137), (9, 2267379), (27, 755793), (79, 258309), (81, 251931), (237, 86103), (243, 83977), (711, 28701), (1063, 19197), (2133, 9567), (3189, 6399)]