20560025

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 26516160

約数和(自身を除く): 5956135

約数列:

[1, 5, 25, 53, 59, 263, 265, 295, 1315, 1325, 1475, 3127, 6575, 13939, 15517, 15635, 69695, 77585, 78175, 348475, 387925, 822401, 4112005, 20560025]

約数ペア:

[(1, 20560025), (5, 4112005), (25, 822401), (53, 387925), (59, 348475), (263, 78175), (265, 77585), (295, 69695), (1315, 15635), (1325, 15517), (1475, 13939), (3127, 6575)]