20347899

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47431}}^1$

素因数の和:47458

約数の個数: 16

約数和(自身を含む): 31874304

約数和(自身を除く): 11526405

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47431, 142293, 521741, 616603, 1565223, 1849809, 6782633, 20347899]

約数ペア:

[(1, 20347899), (3, 6782633), (11, 1849809), (13, 1565223), (33, 616603), (39, 521741), (143, 142293), (429, 47431)]