20393897

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 22988160

約数和(自身を除く): 2594263

約数列:

[1, 17, 19, 103, 323, 613, 1751, 1957, 10421, 11647, 33269, 63139, 197999, 1073363, 1199641, 20393897]

約数ペア:

[(1, 20393897), (17, 1199641), (19, 1073363), (103, 197999), (323, 63139), (613, 33269), (1751, 11647), (1957, 10421)]