20953827

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{677}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 32082960

約数和(自身を除く): 11129133

約数列:

[1, 3, 9, 19, 57, 171, 181, 543, 677, 1629, 2031, 3439, 6093, 10317, 12863, 30951, 38589, 115767, 122537, 367611, 1102833, 2328203, 6984609, 20953827]

約数ペア:

[(1, 20953827), (3, 6984609), (9, 2328203), (19, 1102833), (57, 367611), (171, 122537), (181, 115767), (543, 38589), (677, 30951), (1629, 12863), (2031, 10317), (3439, 6093)]