20208291

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{3847}}^1$

素因数の和:3970

約数の個数: 16

約数和(自身を含む): 28813824

約数和(自身を除く): 8605533

約数列:

[1, 3, 17, 51, 103, 309, 1751, 3847, 5253, 11541, 65399, 196197, 396241, 1188723, 6736097, 20208291]

約数ペア:

[(1, 20208291), (3, 6736097), (17, 1188723), (51, 396241), (103, 196197), (309, 65399), (1751, 11541), (3847, 5253)]