20656547

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 1987165

約数列:

[1, 17, 47, 103, 251, 799, 1751, 4267, 4841, 11797, 25853, 82297, 200549, 439501, 1215091, 20656547]

約数ペア:

[(1, 20656547), (17, 1215091), (47, 439501), (103, 200549), (251, 82297), (799, 25853), (1751, 11797), (4267, 4841)]