20496231

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17123}}^1$

素因数の和:17155

約数の個数: 24

約数和(自身を含む): 35617920

約数和(自身を除く): 15121689

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17123, 51369, 119861, 154107, 325337, 359583, 976011, 1078749, 2277359, 2928033, 6832077, 20496231]

約数ペア:

[(1, 20496231), (3, 6832077), (7, 2928033), (9, 2277359), (19, 1078749), (21, 976011), (57, 359583), (63, 325337), (133, 154107), (171, 119861), (399, 51369), (1197, 17123)]