20941249

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{8287}}^1$

素因数の和:8332

約数の個数: 12

約数和(自身を含む): 25261824

約数和(自身を除く): 4320575

約数列:

[1, 7, 19, 133, 361, 2527, 8287, 58009, 157453, 1102171, 2991607, 20941249]

約数ペア:

[(1, 20941249), (7, 2991607), (19, 1102171), (133, 157453), (361, 58009), (2527, 8287)]