20656524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245911}}^1$

素因数の和:245925

約数の個数: 24

約数和(自身を含む): 55084288

約数和(自身を除く): 34427764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245911, 491822, 737733, 983644, 1475466, 1721377, 2950932, 3442754, 5164131, 6885508, 10328262, 20656524]

約数ペア:

[(1, 20656524), (2, 10328262), (3, 6885508), (4, 5164131), (6, 3442754), (7, 2950932), (12, 1721377), (14, 1475466), (21, 983644), (28, 737733), (42, 491822), (84, 245911)]