20576780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146977}}^1$

素因数の和:146993

約数の個数: 24

約数和(自身を含む): 49384608

約数和(自身を除く): 28807828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146977, 293954, 587908, 734885, 1028839, 1469770, 2057678, 2939540, 4115356, 5144195, 10288390, 20576780]

約数ペア:

[(1, 20576780), (2, 10288390), (4, 5144195), (5, 4115356), (7, 2939540), (10, 2057678), (14, 1469770), (20, 1028839), (28, 734885), (35, 587908), (70, 293954), (140, 146977)]