20216911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3821}}^1$

素因数の和:3882

約数の個数: 16

約数和(自身を含む): 24399648

約数和(自身を除く): 4182737

約数列:

[1, 11, 13, 37, 143, 407, 481, 3821, 5291, 42031, 49673, 141377, 546403, 1555147, 1837901, 20216911]

約数ペア:

[(1, 20216911), (11, 1837901), (13, 1555147), (37, 546403), (143, 141377), (407, 49673), (481, 42031), (3821, 5291)]