20773555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 29053440

約数和(自身を除く): 8279885

約数列:

[1, 5, 11, 19, 55, 95, 103, 193, 209, 515, 965, 1045, 1133, 1957, 2123, 3667, 5665, 9785, 10615, 18335, 19879, 21527, 40337, 99395, 107635, 201685, 218669, 377701, 1093345, 1888505, 4154711, 20773555]

約数ペア:

[(1, 20773555), (5, 4154711), (11, 1888505), (19, 1093345), (55, 377701), (95, 218669), (103, 201685), (193, 107635), (209, 99395), (515, 40337), (965, 21527), (1045, 19879), (1133, 18335), (1957, 10615), (2123, 9785), (3667, 5665)]