20481747

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47743}}^1$

素因数の和:47770

約数の個数: 16

約数和(自身を含む): 32083968

約数和(自身を除く): 11602221

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47743, 143229, 525173, 620659, 1575519, 1861977, 6827249, 20481747]

約数ペア:

[(1, 20481747), (3, 6827249), (11, 1861977), (13, 1575519), (33, 620659), (39, 525173), (143, 143229), (429, 47743)]