20680065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65651}}^1$

素因数の和:65669

約数の個数: 24

約数和(自身を含む): 40966848

約数和(自身を除く): 20286783

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65651, 196953, 328255, 459557, 590859, 984765, 1378671, 2297785, 2954295, 4136013, 6893355, 20680065]

約数ペア:

[(1, 20680065), (3, 6893355), (5, 4136013), (7, 2954295), (9, 2297785), (15, 1378671), (21, 984765), (35, 590859), (45, 459557), (63, 328255), (105, 196953), (315, 65651)]