20336265

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 36808200

約数和(自身を除く): 16471935

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 337, 405, 447, 745, 1011, 1341, 1685, 2235, 3033, 4023, 5055, 6705, 9099, 12069, 15165, 20115, 27297, 45495, 50213, 60345, 136485, 150639, 251065, 451917, 753195, 1355751, 2259585, 4067253, 6778755, 20336265]

約数ペア:

[(1, 20336265), (3, 6778755), (5, 4067253), (9, 2259585), (15, 1355751), (27, 753195), (45, 451917), (81, 251065), (135, 150639), (149, 136485), (337, 60345), (405, 50213), (447, 45495), (745, 27297), (1011, 20115), (1341, 15165), (1685, 12069), (2235, 9099), (3033, 6705), (4023, 5055)]