20974701

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1601}}^1$

素因数の和:2012

約数の個数: 16

約数和(自身を含む): 30604608

約数和(自身を除く): 9629907

約数列:

[1, 3, 11, 33, 397, 1191, 1601, 4367, 4803, 13101, 17611, 52833, 635597, 1906791, 6991567, 20974701]

約数ペア:

[(1, 20974701), (3, 6991567), (11, 1906791), (33, 635597), (397, 52833), (1191, 17611), (1601, 13101), (4367, 4803)]