20518347

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4337}}^1$

素因数の和:4442

約数の個数: 16

約数和(自身を含む): 29151360

約数和(自身を除く): 8633013

約数列:

[1, 3, 19, 57, 83, 249, 1577, 4337, 4731, 13011, 82403, 247209, 359971, 1079913, 6839449, 20518347]

約数ペア:

[(1, 20518347), (3, 6839449), (19, 1079913), (57, 359971), (83, 247209), (249, 82403), (1577, 13011), (4337, 4731)]