20619807

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27827}}^1$

素因数の和:27862

約数の個数: 16

約数和(自身を含む): 31167360

約数和(自身を除く): 10547553

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27827, 83481, 361751, 528713, 1085253, 1586139, 6873269, 20619807]

約数ペア:

[(1, 20619807), (3, 6873269), (13, 1586139), (19, 1085253), (39, 528713), (57, 361751), (247, 83481), (741, 27827)]