20549716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 42255360

約数和(自身を除く): 21705644

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 76, 94, 188, 209, 418, 517, 523, 836, 893, 1034, 1046, 1786, 2068, 2092, 3572, 5753, 9823, 9937, 11506, 19646, 19874, 23012, 24581, 39292, 39748, 49162, 98324, 109307, 218614, 270391, 437228, 467039, 540782, 934078, 1081564, 1868156, 5137429, 10274858, 20549716]

約数ペア:

[(1, 20549716), (2, 10274858), (4, 5137429), (11, 1868156), (19, 1081564), (22, 934078), (38, 540782), (44, 467039), (47, 437228), (76, 270391), (94, 218614), (188, 109307), (209, 98324), (418, 49162), (517, 39748), (523, 39292), (836, 24581), (893, 23012), (1034, 19874), (1046, 19646), (1786, 11506), (2068, 9937), (2092, 9823), (3572, 5753)]