20577521279

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1\times {\mathrm{41719}}^1$

素因数の和:44030

約数の個数: 16

約数和(自身を含む): 24287047680

約数和(自身を除く): 3709526401

約数列:

[1, 7, 31, 217, 2273, 15911, 41719, 70463, 292033, 493241, 1293289, 9053023, 94827287, 663791009, 2939645897, 20577521279]

約数ペア:

[(1, 20577521279), (7, 2939645897), (31, 663791009), (217, 94827287), (2273, 9053023), (15911, 1293289), (41719, 493241), (70463, 292033)]