20338175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5689}}^1$

素因数の和:5723

約数の個数: 24

約数和(自身を含む): 29633520

約数和(自身を除く): 9295345

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5689, 28445, 62579, 73957, 142225, 312895, 369785, 813527, 1564475, 1848925, 4067635, 20338175]

約数ペア:

[(1, 20338175), (5, 4067635), (11, 1848925), (13, 1564475), (25, 813527), (55, 369785), (65, 312895), (143, 142225), (275, 73957), (325, 62579), (715, 28445), (3575, 5689)]