20306793

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12109}}^1$

素因数の和:12168

約数の個数: 16

約数和(自身を含む): 29839040

約数和(自身を除く): 9532247

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12109, 36327, 157417, 472251, 520687, 1562061, 6768931, 20306793]

約数ペア:

[(1, 20306793), (3, 6768931), (13, 1562061), (39, 520687), (43, 472251), (129, 157417), (559, 36327), (1677, 12109)]