20993418

素因数分解:

$2^1\times 3^4\times {\mathrm{129589}}^1$

素因数の和:129603

約数の個数: 20

約数和(自身を含む): 47041170

約数和(自身を除く): 26047752

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129589, 259178, 388767, 777534, 1166301, 2332602, 3498903, 6997806, 10496709, 20993418]

約数ペア:

[(1, 20993418), (2, 10496709), (3, 6997806), (6, 3498903), (9, 2332602), (18, 1166301), (27, 777534), (54, 388767), (81, 259178), (162, 129589)]