20892285

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4339}}^1$

素因数の和:4457

約数の個数: 24

約数和(自身を含む): 36560160

約数和(自身を除く): 15667875

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4339, 4815, 13017, 21695, 39051, 65085, 195255, 464273, 1392819, 2321365, 4178457, 6964095, 20892285]

約数ペア:

[(1, 20892285), (3, 6964095), (5, 4178457), (9, 2321365), (15, 1392819), (45, 464273), (107, 195255), (321, 65085), (535, 39051), (963, 21695), (1605, 13017), (4339, 4815)]