20145042009

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{25728023}}^1$

素因数の和:25728061

約数の個数: 16

約数和(自身を含む): 30873628800

約数和(自身を除く): 10728586791

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 25728023, 77184069, 231552207, 694656621, 746112667, 2238338001, 6715014003, 20145042009]

約数ペア:

[(1, 20145042009), (3, 6715014003), (9, 2238338001), (27, 746112667), (29, 694656621), (87, 231552207), (261, 77184069), (783, 25728023)]