9920410

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1949}}^1$

素因数の和:2465

約数の個数: 16

約数和(自身を含む): 17901000

約数和(自身を除く): 7980590

約数列:

[1, 2, 5, 10, 509, 1018, 1949, 2545, 3898, 5090, 9745, 19490, 992041, 1984082, 4960205, 9920410]

約数ペア:

[(1, 9920410), (2, 4960205), (5, 1984082), (10, 992041), (509, 19490), (1018, 9745), (1949, 5090), (2545, 3898)]