20565787578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{489661609}}^1$

素因数の和:489661621

約数の個数: 16

約数和(自身を含む): 47007514560

約数和(自身を除く): 26441726982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 489661609, 979323218, 1468984827, 2937969654, 3427631263, 6855262526, 10282893789, 20565787578]

約数ペア:

[(1, 20565787578), (2, 10282893789), (3, 6855262526), (6, 3427631263), (7, 2937969654), (14, 1468984827), (21, 979323218), (42, 489661609)]