20980508744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1\times {\mathrm{6869}}^1$

素因数の和:7614

約数の個数: 64

約数和(自身を含む): 43419499200

約数和(自身を除く): 22438990456

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 683, 1118, 1366, 2236, 2732, 4472, 5464, 6869, 8879, 13738, 17758, 27476, 29369, 35516, 54952, 58738, 71032, 89297, 117476, 178594, 234952, 295367, 357188, 381797, 590734, 714376, 763594, 1181468, 1527188, 2362936, 3054376, 3839771, 4691527, 7679542, 9383054, 15359084, 18766108, 30718168, 37532216, 60989851, 121979702, 201735661, 243959404, 403471322, 487918808, 806942644, 1613885288, 2622563593, 5245127186, 10490254372, 20980508744]

約数ペア:

[(1, 20980508744), (2, 10490254372), (4, 5245127186), (8, 2622563593), (13, 1613885288), (26, 806942644), (43, 487918808), (52, 403471322), (86, 243959404), (104, 201735661), (172, 121979702), (344, 60989851), (559, 37532216), (683, 30718168), (1118, 18766108), (1366, 15359084), (2236, 9383054), (2732, 7679542), (4472, 4691527), (5464, 3839771), (6869, 3054376), (8879, 2362936), (13738, 1527188), (17758, 1181468), (27476, 763594), (29369, 714376), (35516, 590734), (54952, 381797), (58738, 357188), (71032, 295367), (89297, 234952), (117476, 178594)]