2020136972

素因数分解:

$2^2\times 7^1\times {\mathrm{72147749}}^1$

素因数の和:72147760

約数の個数: 12

約数和(自身を含む): 4040274000

約数和(自身を除く): 2020137028

約数列:

[1, 2, 4, 7, 14, 28, 72147749, 144295498, 288590996, 505034243, 1010068486, 2020136972]

約数ペア:

[(1, 2020136972), (2, 1010068486), (4, 505034243), (7, 288590996), (14, 144295498), (28, 72147749)]