20937449

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 25536000

約数和(自身を除く): 4598551

約数列:

[1, 13, 19, 29, 37, 79, 247, 377, 481, 551, 703, 1027, 1073, 1501, 2291, 2923, 7163, 9139, 13949, 19513, 20387, 29783, 37999, 43529, 55537, 84767, 265031, 565877, 721981, 1101971, 1610573, 20937449]

約数ペア:

[(1, 20937449), (13, 1610573), (19, 1101971), (29, 721981), (37, 565877), (79, 265031), (247, 84767), (377, 55537), (481, 43529), (551, 37999), (703, 29783), (1027, 20387), (1073, 19513), (1501, 13949), (2291, 9139), (2923, 7163)]