20201695

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{877}}^1$

素因数の和:1170

約数の個数: 16

約数和(自身を含む): 25792128

約数和(自身を除く): 5590433

約数列:

[1, 5, 17, 85, 271, 877, 1355, 4385, 4607, 14909, 23035, 74545, 237667, 1188335, 4040339, 20201695]

約数ペア:

[(1, 20201695), (5, 4040339), (17, 1188335), (85, 237667), (271, 74545), (877, 23035), (1355, 14909), (4385, 4607)]