20623635

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26959}}^1$

素因数の和:26987

約数の個数: 24

約数和(自身を含む): 37851840

約数和(自身を除く): 17228205

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26959, 80877, 134795, 242631, 404385, 458303, 1213155, 1374909, 2291515, 4124727, 6874545, 20623635]

約数ペア:

[(1, 20623635), (3, 6874545), (5, 4124727), (9, 2291515), (15, 1374909), (17, 1213155), (45, 458303), (51, 404385), (85, 242631), (153, 134795), (255, 80877), (765, 26959)]