20781040012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{433}}^1\times {\mathrm{1693}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 38494862560

約数和(自身を除く): 17713822548

約数列:

[1, 2, 4, 19, 38, 76, 373, 433, 746, 866, 1492, 1693, 1732, 3386, 6772, 7087, 8227, 14174, 16454, 28348, 32167, 32908, 64334, 128668, 161509, 323018, 631489, 646036, 733069, 1262978, 1466138, 2525956, 2932276, 3068671, 6137342, 11998291, 12274684, 13928311, 23996582, 27856622, 47993164, 55713244, 273434737, 546869474, 1093738948, 5195260003, 10390520006, 20781040012]

約数ペア:

[(1, 20781040012), (2, 10390520006), (4, 5195260003), (19, 1093738948), (38, 546869474), (76, 273434737), (373, 55713244), (433, 47993164), (746, 27856622), (866, 23996582), (1492, 13928311), (1693, 12274684), (1732, 11998291), (3386, 6137342), (6772, 3068671), (7087, 2932276), (8227, 2525956), (14174, 1466138), (16454, 1262978), (28348, 733069), (32167, 646036), (32908, 631489), (64334, 323018), (128668, 161509)]