20165949219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{263}}^1\times {\mathrm{6803}}^1$

素因数の和:7116

約数の個数: 48

約数和(自身を含む): 30881233152

約数和(自身を除く): 10715283933

約数列:

[1, 3, 13, 17, 39, 51, 221, 263, 289, 663, 789, 867, 3419, 3757, 4471, 6803, 10257, 11271, 13413, 20409, 58123, 76007, 88439, 115651, 174369, 228021, 265317, 346953, 988091, 1503463, 1789189, 1966067, 2964273, 4510389, 5367567, 5898201, 23259457, 25558871, 30416213, 69778371, 76676613, 91248639, 395410769, 517075621, 1186232307, 1551226863, 6721983073, 20165949219]

約数ペア:

[(1, 20165949219), (3, 6721983073), (13, 1551226863), (17, 1186232307), (39, 517075621), (51, 395410769), (221, 91248639), (263, 76676613), (289, 69778371), (663, 30416213), (789, 25558871), (867, 23259457), (3419, 5898201), (3757, 5367567), (4471, 4510389), (6803, 2964273), (10257, 1966067), (11271, 1789189), (13413, 1503463), (20409, 988091), (58123, 346953), (76007, 265317), (88439, 228021), (115651, 174369)]