20805834

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495377}}^1$

素因数の和:495389

約数の個数: 16

約数和(自身を含む): 47556288

約数和(自身を除く): 26750454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495377, 990754, 1486131, 2972262, 3467639, 6935278, 10402917, 20805834]

約数ペア:

[(1, 20805834), (2, 10402917), (3, 6935278), (6, 3467639), (7, 2972262), (14, 1486131), (21, 990754), (42, 495377)]