20178390963

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1955839}}^1$

素因数の和:1956042

約数の個数: 16

約数和(自身を含む): 28477030400

約数和(自身を除く): 8298639437

約数列:

[1, 3, 19, 57, 181, 543, 3439, 10317, 1955839, 5867517, 37160941, 111482823, 354006859, 1062020577, 6726130321, 20178390963]

約数ペア:

[(1, 20178390963), (3, 6726130321), (19, 1062020577), (57, 354006859), (181, 111482823), (543, 37160941), (3439, 5867517), (10317, 1955839)]