2020408516

素因数分解:

$2^2\times 7^1\times {\mathrm{72157447}}^1$

素因数の和:72157458

約数の個数: 12

約数和(自身を含む): 4040817088

約数和(自身を除く): 2020408572

約数列:

[1, 2, 4, 7, 14, 28, 72157447, 144314894, 288629788, 505102129, 1010204258, 2020408516]

約数ペア:

[(1, 2020408516), (2, 1010204258), (4, 505102129), (7, 288629788), (14, 144314894), (28, 72157447)]