20569055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4457}}^1$

素因数の和:4546

約数の個数: 16

約数和(自身を含む): 26961984

約数和(自身を除く): 6392929

約数列:

[1, 5, 13, 65, 71, 355, 923, 4457, 4615, 22285, 57941, 289705, 316447, 1582235, 4113811, 20569055]

約数ペア:

[(1, 20569055), (5, 4113811), (13, 1582235), (65, 316447), (71, 289705), (355, 57941), (923, 22285), (4457, 4615)]