20131024

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9907}}^1$

素因数の和:10042

約数の個数: 20

約数和(自身を含む): 39314944

約数和(自身を除く): 19183920

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9907, 19814, 39628, 79256, 158512, 1258189, 2516378, 5032756, 10065512, 20131024]

約数ペア:

[(1, 20131024), (2, 10065512), (4, 5032756), (8, 2516378), (16, 1258189), (127, 158512), (254, 79256), (508, 39628), (1016, 19814), (2032, 9907)]