20754025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 27855360

約数和(自身を除く): 7101335

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1039, 1175, 3995, 5195, 17663, 19975, 25975, 48833, 88315, 244165, 441575, 830161, 1220825, 4150805, 20754025]

約数ペア:

[(1, 20754025), (5, 4150805), (17, 1220825), (25, 830161), (47, 441575), (85, 244165), (235, 88315), (425, 48833), (799, 25975), (1039, 19975), (1175, 17663), (3995, 5195)]