20837025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8419}}^1$

素因数の和:8446

約数の個数: 36

約数和(自身を含む): 40719120

約数和(自身を除く): 19882095

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8419, 25257, 42095, 75771, 92609, 126285, 210475, 277827, 378855, 463045, 631425, 833481, 1389135, 1894275, 2315225, 4167405, 6945675, 20837025]

約数ペア:

[(1, 20837025), (3, 6945675), (5, 4167405), (9, 2315225), (11, 1894275), (15, 1389135), (25, 833481), (33, 631425), (45, 463045), (55, 378855), (75, 277827), (99, 210475), (165, 126285), (225, 92609), (275, 75771), (495, 42095), (825, 25257), (2475, 8419)]