20409345

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41231}}^1$

素因数の和:41253

約数の個数: 24

約数和(自身を含む): 38593152

約数和(自身を除く): 18183807

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41231, 123693, 206155, 371079, 453541, 618465, 1360623, 1855395, 2267705, 4081869, 6803115, 20409345]

約数ペア:

[(1, 20409345), (3, 6803115), (5, 4081869), (9, 2267705), (11, 1855395), (15, 1360623), (33, 618465), (45, 453541), (55, 371079), (99, 206155), (165, 123693), (495, 41231)]