20610786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{490733}}^1$

素因数の和:490745

約数の個数: 16

約数和(自身を含む): 47110464

約数和(自身を除く): 26499678

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 490733, 981466, 1472199, 2944398, 3435131, 6870262, 10305393, 20610786]

約数ペア:

[(1, 20610786), (2, 10305393), (3, 6870262), (6, 3435131), (7, 2944398), (14, 1472199), (21, 981466), (42, 490733)]