20904675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25339}}^1$

素因数の和:25363

約数の個数: 24

約数和(自身を含む): 37705920

約数和(自身を除く): 16801245

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25339, 76017, 126695, 278729, 380085, 633475, 836187, 1393645, 1900425, 4180935, 6968225, 20904675]

約数ペア:

[(1, 20904675), (3, 6968225), (5, 4180935), (11, 1900425), (15, 1393645), (25, 836187), (33, 633475), (55, 380085), (75, 278729), (165, 126695), (275, 76017), (825, 25339)]