20571889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2251}}^1$

素因数の和:2320

約数の個数: 16

約数和(自身を含む): 23961280

約数和(自身を除く): 3389391

約数列:

[1, 13, 19, 37, 247, 481, 703, 2251, 9139, 29263, 42769, 83287, 555997, 1082731, 1582453, 20571889]

約数ペア:

[(1, 20571889), (13, 1582453), (19, 1082731), (37, 555997), (247, 83287), (481, 42769), (703, 29263), (2251, 9139)]