20327359

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 4832321

約数列:

[1, 13, 17, 19, 47, 103, 221, 247, 323, 611, 799, 893, 1339, 1751, 1957, 4199, 4841, 10387, 11609, 15181, 22763, 25441, 33269, 62933, 82297, 91979, 197353, 432497, 1069861, 1195727, 1563643, 20327359]

約数ペア:

[(1, 20327359), (13, 1563643), (17, 1195727), (19, 1069861), (47, 432497), (103, 197353), (221, 91979), (247, 82297), (323, 62933), (611, 33269), (799, 25441), (893, 22763), (1339, 15181), (1751, 11609), (1957, 10387), (4199, 4841)]