20217490938

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{647}}^1\times {\mathrm{46919}}^1$

素因数の和:47611

約数の個数: 48

約数和(自身を含む): 45058965120

約数和(自身を除く): 24841474182

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 647, 666, 1294, 1941, 3882, 5823, 11646, 23939, 46919, 47878, 71817, 93838, 140757, 143634, 215451, 281514, 422271, 430902, 844542, 1736003, 3472006, 5208009, 10416018, 15624027, 30356593, 31248054, 60713186, 91069779, 182139558, 273209337, 546418674, 1123193941, 2246387882, 3369581823, 6739163646, 10108745469, 20217490938]

約数ペア:

[(1, 20217490938), (2, 10108745469), (3, 6739163646), (6, 3369581823), (9, 2246387882), (18, 1123193941), (37, 546418674), (74, 273209337), (111, 182139558), (222, 91069779), (333, 60713186), (647, 31248054), (666, 30356593), (1294, 15624027), (1941, 10416018), (3882, 5208009), (5823, 3472006), (11646, 1736003), (23939, 844542), (46919, 430902), (47878, 422271), (71817, 281514), (93838, 215451), (140757, 143634)]