20051755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4451}}^1$

素因数の和:4526

約数の個数: 16

約数和(自身を含む): 25964064

約数和(自身を除く): 5912309

約数列:

[1, 5, 17, 53, 85, 265, 901, 4451, 4505, 22255, 75667, 235903, 378335, 1179515, 4010351, 20051755]

約数ペア:

[(1, 20051755), (5, 4010351), (17, 1179515), (53, 378335), (85, 235903), (265, 75667), (901, 22255), (4451, 4505)]