20496165

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{739}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 33619680

約数和(自身を除く): 13123515

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 739, 1849, 2217, 3695, 5547, 9245, 11085, 27735, 31777, 95331, 158885, 476655, 1366411, 4099233, 6832055, 20496165]

約数ペア:

[(1, 20496165), (3, 6832055), (5, 4099233), (15, 1366411), (43, 476655), (129, 158885), (215, 95331), (645, 31777), (739, 27735), (1849, 11085), (2217, 9245), (3695, 5547)]