20880063

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{136471}}^1$

素因数の和:136494

約数の個数: 12

約数和(自身を含む): 31934448

約数和(自身を除く): 11054385

約数列:

[1, 3, 9, 17, 51, 153, 136471, 409413, 1228239, 2320007, 6960021, 20880063]

約数ペア:

[(1, 20880063), (3, 6960021), (9, 2320007), (17, 1228239), (51, 409413), (153, 136471)]