20537385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6551}}^1$

素因数の和:6589

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17202135

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6551, 19653, 32755, 72061, 98265, 124469, 216183, 360305, 373407, 622345, 1080915, 1369159, 1867035, 4107477, 6845795, 20537385]

約数ペア:

[(1, 20537385), (3, 6845795), (5, 4107477), (11, 1867035), (15, 1369159), (19, 1080915), (33, 622345), (55, 373407), (57, 360305), (95, 216183), (165, 124469), (209, 98265), (285, 72061), (627, 32755), (1045, 19653), (3135, 6551)]