20801367

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3617}}^1$

素因数の和:3700

約数の個数: 20

約数和(自身を含む): 31520016

約数和(自身を除く): 10718649

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3617, 5751, 10851, 32553, 97659, 256807, 292977, 770421, 2311263, 6933789, 20801367]

約数ペア:

[(1, 20801367), (3, 6933789), (9, 2311263), (27, 770421), (71, 292977), (81, 256807), (213, 97659), (639, 32553), (1917, 10851), (3617, 5751)]