20899681491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1\times {\mathrm{266479}}^1$

素因数の和:268506

約数の個数: 16

約数和(自身を含む): 30024834560

約数和(自身を除く): 9125153069

約数列:

[1, 3, 13, 39, 2011, 6033, 26143, 78429, 266479, 799437, 3464227, 10392681, 535889269, 1607667807, 6966560497, 20899681491]

約数ペア:

[(1, 20899681491), (3, 6966560497), (13, 1607667807), (39, 535889269), (2011, 10392681), (6033, 3464227), (26143, 799437), (78429, 266479)]