20493286

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4457}}^1$

素因数の和:4500

約数の個数: 24

約数和(自身を含む): 35574840

約数和(自身を除く): 15081554

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4457, 4598, 8914, 49027, 84683, 98054, 169366, 539297, 931513, 1078594, 1863026, 10246643, 20493286]

約数ペア:

[(1, 20493286), (2, 10246643), (11, 1863026), (19, 1078594), (22, 931513), (38, 539297), (121, 169366), (209, 98054), (242, 84683), (418, 49027), (2299, 8914), (4457, 4598)]