20340279

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6997}}^1$

素因数の和:7039

約数の個数: 24

約数和(自身を含む): 32750640

約数和(自身を除く): 12410361

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 6997, 20991, 62973, 118949, 132943, 356847, 398829, 1070541, 1196487, 2260031, 6780093, 20340279]

約数ペア:

[(1, 20340279), (3, 6780093), (9, 2260031), (17, 1196487), (19, 1070541), (51, 398829), (57, 356847), (153, 132943), (171, 118949), (323, 62973), (969, 20991), (2907, 6997)]