20909588

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20183}}^1$

素因数の和:20231

約数の個数: 24

約数和(自身を含む): 42951552

約数和(自身を除く): 22041964

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20183, 40366, 80732, 141281, 282562, 565124, 746771, 1493542, 2987084, 5227397, 10454794, 20909588]

約数ペア:

[(1, 20909588), (2, 10454794), (4, 5227397), (7, 2987084), (14, 1493542), (28, 746771), (37, 565124), (74, 282562), (148, 141281), (259, 80732), (518, 40366), (1036, 20183)]