20521716

素因数分解:

$2^2\times 3^1\times {\mathrm{821}}^1\times {\mathrm{2083}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 47965344

約数和(自身を除く): 27443628

約数列:

[1, 2, 3, 4, 6, 12, 821, 1642, 2083, 2463, 3284, 4166, 4926, 6249, 8332, 9852, 12498, 24996, 1710143, 3420286, 5130429, 6840572, 10260858, 20521716]

約数ペア:

[(1, 20521716), (2, 10260858), (3, 6840572), (4, 5130429), (6, 3420286), (12, 1710143), (821, 24996), (1642, 12498), (2083, 9852), (2463, 8332), (3284, 6249), (4166, 4926)]