20558722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3631}}^1$

素因数の和:3801

約数の個数: 16

約数和(自身を含む): 32688000

約数和(自身を除く): 12129278

約数列:

[1, 2, 19, 38, 149, 298, 2831, 3631, 5662, 7262, 68989, 137978, 541019, 1082038, 10279361, 20558722]

約数ペア:

[(1, 20558722), (2, 10279361), (19, 1082038), (38, 541019), (149, 137978), (298, 68989), (2831, 7262), (3631, 5662)]