20599724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 39782400

約数和(自身を除く): 19182676

約数列:

[1, 2, 4, 19, 38, 47, 73, 76, 79, 94, 146, 158, 188, 292, 316, 893, 1387, 1501, 1786, 2774, 3002, 3431, 3572, 3713, 5548, 5767, 6004, 6862, 7426, 11534, 13724, 14852, 23068, 65189, 70547, 109573, 130378, 141094, 219146, 260756, 271049, 282188, 438292, 542098, 1084196, 5149931, 10299862, 20599724]

約数ペア:

[(1, 20599724), (2, 10299862), (4, 5149931), (19, 1084196), (38, 542098), (47, 438292), (73, 282188), (76, 271049), (79, 260756), (94, 219146), (146, 141094), (158, 130378), (188, 109573), (292, 70547), (316, 65189), (893, 23068), (1387, 14852), (1501, 13724), (1786, 11534), (2774, 7426), (3002, 6862), (3431, 6004), (3572, 5767), (3713, 5548)]